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ILHighCalendar available · 252 events · Auto-updating

Williamsville High School — School Calendar 2026-27

High|Williamsville, Illinois|Williamsville CUSD 15

Williamsville, IL 62693

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Upcoming Events

Aug

24

Mon

Williamsville Community Unit School District BB B JHB Away Olympia Event

Visit https://williamsvilleathletics.org/main/event/scid/IL6269

Aug

24

Mon

Williamsville Community Unit School District SOC B V Away Lincoln HEvent

Visit https://williamsvilleathletics.org/main/event/scid/IL6269

Aug

24

Mon

Williamsville Community Unit School District VB G FR Home Franklin Event

Visit https://williamsvilleathletics.org/main/event/scid/IL6269

Aug

24

Mon

Williamsville Community Unit School District VB G JV Home Franklin Event

Visit https://williamsvilleathletics.org/main/event/scid/IL6269

Aug

24

Mon

Williamsville Community Unit School District SOC B JV Away Lincoln Event

Visit https://williamsvilleathletics.org/main/event/scid/IL6269

Aug

24

Mon

Williamsville Community Unit School District FB B JV Home Pleasant Event

Visit https://williamsvilleathletics.org/main/event/scid/IL6269

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School Profile

Grades

9–12

Enrollment

475

Student:Teacher

14.8:1

Locale

Suburban

District

Williamsville CUSD 15

Phone

School Statistics

Academics (SY 2020-21)

ELA Proficiency

35-39%

Math Proficiency

20-24%

Chronic Absenteeism

5.6%

SY 2019-20

Programs & Activities (SY 2021-22)

AP Program

5 courses offered

14 students enrolled

SAT/ACT

364 test takers

Student-Teacher Ratio: 14:1

Near average in IL

Technology & Internet Access (SY 2021-22)

Wi-Fi

Campus-wide wireless

Fiber Internet

High-speed connection

500

Connected devices

Staff & Support Services (SY 2021-22)

Teachers (FTE)

33

100% fully certified

Counselors

2

Social Workers

0.5

Nurses

0.5

Anti-Bullying Policy

District Finance (FY 2023)

Per-Pupil Spending

$12,503

Total current expenditure

Instruction Spending

$7,923

Per pupil, classroom only

Total Revenue/Pupil

$16,786

All funding sources

Funding Sources

Federal 4%State 41%Local 56%

District-level data from NCES F-33 Survey

Community Context

Community Need Level

Moderate

CDC/ATSDR Social Vulnerability Index 2022

Neighborhood Indicators (Census Tract)

19.9%

Below 150% poverty line

5.3%

Unemployment rate

3.8%

Uninsured residents

6.9%

No HS diploma (25+)

Special Education (IDEA)

District-level data from IDEA Part B · Students ages 3-21 served under IDEA

Total Students Served

210

Ages 3-21 under IDEA

School-Age (6-21)

190

Receiving special ed services

Est. % of Enrollment

40%

District rate, school may vary

Disability Categories (District)

Specific Learning Disability

64 (34%)

Speech/Language Impairment

64 (34%)

Other Health Impairment

28 (15%)

Autism

20 (11%)

Intellectual Disability

4 (2%)

Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ

Enrollment Trend (2014-2025)

462

Current enrollment

Stable(-3% 5yr)

Coming Up

Mon, Aug 24, 2026

Williamsville Community Unit School District BB B JHB Away Olympia

Event

Mon, Aug 24, 2026

Williamsville Community Unit School District SOC B V Away Lincoln H

Event

Mon, Aug 24, 2026

Williamsville Community Unit School District VB G FR Home Franklin

Event

Full School Calendar 2026-27

Date	Event	Type	Level
Tue, Sep 1, 2026	Williamsville Community Unit School District SB G JHB Home Little F Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 1, 2026	Williamsville Community Unit School District VB G V Home Rochester Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 1, 2026	Williamsville Community Unit School District SB G JHA Home Little F Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 1, 2026	Williamsville Community Unit School District BB B JHB Away Rocheste Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 1, 2026	Williamsville Community Unit School District GLF G V Away Glenwood/ Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 1, 2026	Time: TBA -Williamsville Community Unit School District SOC B V Hom Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 1, 2026	Williamsville Community Unit School District GLF B V Away Auburn/Lu Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 2, 2026	Time: TBA -Williamsville Community Unit School District SOC B V Hom Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 2, 2026	Williamsville Community Unit School District BB B JHA Away New Berl Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 2, 2026	Williamsville Community Unit School District SB G JHB Away New Berl Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 2, 2026	Williamsville Community Unit School District SB G JHA Away New Berl Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 3, 2026	Williamsville Community Unit School District VB G JV Away Hartsburg Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 3, 2026	Williamsville Community Unit School District FB B FR Home Porta Hig Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 3, 2026	Williamsville Community Unit School District BB B JHB Away Blooming Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 3, 2026	Williamsville Community Unit School District BB B JHA Home Corpus C Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 3, 2026	Time: TBA -Williamsville Community Unit School District SOC B V Hom Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 3, 2026	Williamsville Community Unit School District GLF B V Away Illini Ce Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Fri, Sep 4, 2026	Williamsville Community Unit School District VB G V Away Hartsburg- Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 5, 2026	Williamsville Community Unit School District SB G JHA Home Maroa-Fo Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 5, 2026	Time: TBA -Williamsville Community Unit School District SOC B V Hom Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 5, 2026	Time: TBA -Williamsville Community Unit School District VB G FR Awa Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 5, 2026	Williamsville Community Unit School District SB G JHA Home Havana J Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 5, 2026	Williamsville Community Unit School District XC B V Home 4th Annual Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 5, 2026	Williamsville Community Unit School District FB B V Away Porta High Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 5, 2026	Williamsville Community Unit School District XC G V Home 4th Annual Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 7, 2026	No School - Labor Day	Holiday	—
Mon, Sep 7, 2026	Williamsville Community Unit School District FB B JV Home Porta Hig Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 8, 2026	Williamsville Community Unit School District GLF B V Away Porta Hig Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 8, 2026	Williamsville Community Unit School District BB B JHB Home Riverton Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 8, 2026	Williamsville Community Unit School District VB G FR Away Staunton Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 8, 2026	Williamsville Community Unit School District SOC B V Away Olympia H Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 8, 2026	Williamsville Community Unit School District VB G JV Away Staunton Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 8, 2026	Williamsville Community Unit School District SOC B JV Away Olympia Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 9, 2026	Williamsville Community Unit School District VB G V Away Staunton H Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 9, 2026	Williamsville Community Unit School District GLF B V Home Rochester Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 10, 2026	Williamsville Community Unit School District SOC B V Home St. Teres Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 10, 2026	Williamsville Community Unit School District BB B JHB Away Pleasant Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 10, 2026	Williamsville Community Unit School District BB B JHA Home Christ t Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 10, 2026	Williamsville Community Unit School District GLF G V Away Gillespie Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 10, 2026	Williamsville Community Unit School District FB B FR Away Riverton Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Fri, Sep 11, 2026	Williamsville Community Unit School District SOC B JV Home St. Tere Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Fri, Sep 11, 2026	Williamsville Community Unit School District GLF B V Away OPEN (Cra Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Fri, Sep 11, 2026	Time: TBA -Williamsville Community Unit School District VB G V Home Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 12, 2026	Williamsville Community Unit School District SOC B V Away OPEN Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 12, 2026	Time: TBA -Williamsville Community Unit School District VB G V Home Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 12, 2026	Williamsville Community Unit School District XC B V Away Peoria Hig Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 12, 2026	Williamsville Community Unit School District XC G V Away Peoria Hig Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 12, 2026	Williamsville Community Unit School District BB B JHA Away George E Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 12, 2026	Williamsville Community Unit School District GLF B V Away OPEN (Cra Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 12, 2026	Williamsville Community Unit School District SOC B JV Away OPEN Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 12, 2026	Williamsville Community Unit School District FB B V Home Riverton H Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 12, 2026	Williamsville Community Unit School District XC C JH Away Porta Jun Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 14, 2026	Williamsville Community Unit School District SOC B JV Away Mt. Zion Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 14, 2026	Williamsville Community Unit School District FB B JV Away Riverton Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 14, 2026	Williamsville Community Unit School District SOC B V Away Mt. Zion Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 15, 2026	Williamsville Community Unit School District SOC B V Home Pleasant Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 15, 2026	Williamsville Community Unit School District GLF B V Home Greenview Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 15, 2026	Williamsville Community Unit School District VB G JV Away Mt. Pulas Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 15, 2026	Williamsville Community Unit School District GLF G V Away Porta/Aub Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 15, 2026	Williamsville Community Unit School District VB G FR Away Mt. Pulas Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 15, 2026	Williamsville Community Unit School District BB B JHA Home Maroa-Fo Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 16, 2026	Williamsville Community Unit School District SOC B JV Home Pleasant Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 16, 2026	Williamsville Community Unit School District VB G JV Home Warrensbu Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 16, 2026	Board Meeting	Event	—
Wed, Sep 16, 2026	Williamsville Community Unit School District VB G V Away Mt. Pulask Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 16, 2026	Williamsville Community Unit School District GLF B V Away Glenwood/ Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 16, 2026	Williamsville Community Unit School District VB G FR Home Warrensbu Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 17, 2026	Williamsville Community Unit School District VB G V Home Warrensbur Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 17, 2026	Williamsville Community Unit School District VB G JV Home New Berli Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 17, 2026	Williamsville Community Unit School District VB G FR Home New Berli Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 17, 2026	Williamsville Community Unit School District GLF G V Home Auburn/Po Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 17, 2026	Williamsville Community Unit School District FB B FR Home Pikeland Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Fri, Sep 18, 2026	Williamsville Community Unit School District VB G V Home New Berlin Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 19, 2026	Williamsville Community Unit School District XC G V Away Notre Dame Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 19, 2026	Williamsville Community Unit School District SOC B V Home Springfie Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 19, 2026	Williamsville Community Unit School District SOC B JV Home Springfi Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 19, 2026	Williamsville Community Unit School District FB B V Away Pikeland S Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 19, 2026	Williamsville Community Unit School District XC B V Away Notre Dame Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 21, 2026	Williamsville Community Unit School District VB G JV Away Deer Cree Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 21, 2026	Williamsville Community Unit School District VB G FR Away Deer Cree Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 21, 2026	Williamsville Community Unit School District SOC B JV Home Carlinvi Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 21, 2026	Williamsville Community Unit School District FB B JV Home Pikeland Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 21, 2026	Williamsville Community Unit School District SOC B V Home Carlinvil Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 22, 2026	Williamsville Community Unit School District VB G V Away Deer Creek Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 22, 2026	Williamsville Community Unit School District SOC B JV Away Athens J Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 22, 2026	Williamsville Community Unit School District VB G JV Away Riverton Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 22, 2026	Williamsville Community Unit School District SOC B V Away Athens Jr Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 22, 2026	Williamsville Community Unit School District VB G FR Away Riverton Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 23, 2026	Williamsville Community Unit School District SOC B V Home Glenwood Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 23, 2026	Williamsville Community Unit School District VB G V Away Riverton H Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 24, 2026	Williamsville Community Unit School District VB G FR Home Athens Jr Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 24, 2026	Williamsville Community Unit School District VB G JV Home Athens Jr Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 24, 2026	Williamsville Community Unit School District FB B FR Away Olympia H Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Sep 24, 2026	Williamsville Community Unit School District SOC B JV Home Glenwood Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Fri, Sep 25, 2026	Williamsville Community Unit School District VB G V Home Athens Jr/ Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 26, 2026	Williamsville Community Unit School District FB B V Home Olympia Hi Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 26, 2026	Time: TBA -Williamsville Community Unit School District XC G V Away Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Sep 26, 2026	Time: TBA -Williamsville Community Unit School District XC B V Away Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 28, 2026	Williamsville Community Unit School District GLF G V Away Glenwood/ Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Sep 28, 2026	Williamsville Community Unit School District FB B JV Away Olympia H Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 29, 2026	Williamsville Community Unit School District VB G FR Away Auburn Hi Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 29, 2026	Williamsville Community Unit School District SOC B JV Away Warrensb Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 29, 2026	Williamsville Community Unit School District SOC B V Away Warrensbu Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Sep 29, 2026	Fall Pictures	Event	—
Tue, Sep 29, 2026	Williamsville Community Unit School District VB G JV Away Auburn Hi Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Sep 30, 2026	Williamsville Community Unit School District VB G V Away Auburn Hig Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Oct 1, 2026	Williamsville Community Unit School District FB B FR Home Athens Jr Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Oct 1, 2026	Williamsville Community Unit School District VB G JV Home Pleasant Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Oct 1, 2026	Williamsville Community Unit School District SOC B JV Away Peoria C Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Oct 1, 2026	Williamsville Community Unit School District VB G FR Home Pleasant Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Fri, Oct 2, 2026	Williamsville Community Unit School District VB G V Home Pleasant P Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Fri, Oct 2, 2026	Williamsville Community Unit School District SOC B V Away Peoria Ch Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Oct 3, 2026	Williamsville Community Unit School District BKB G 8GR Away Porta J Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Oct 3, 2026	Williamsville Community Unit School District XC B V Away Jacksonvil Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Oct 3, 2026	Williamsville Community Unit School District BKB G 7GR Away Porta J Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Oct 3, 2026	Williamsville Community Unit School District XC G V Away Jacksonvil Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Oct 3, 2026	Time: TBA -Williamsville Community Unit School District SOC B JV Aw Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Sat, Oct 3, 2026	Williamsville Community Unit School District FB B V Away Athens Jr/ Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Oct 5, 2026	Williamsville Community Unit School District SOC B JV Away Blooming Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Oct 5, 2026	Williamsville Community Unit School District SOC B V Away Bloomingt Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Mon, Oct 5, 2026	Williamsville Community Unit School District FB B JV Home Athens Jr Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Oct 6, 2026	Williamsville Community Unit School District VB G JV Away Olympia H Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Oct 6, 2026	Williamsville Community Unit School District VB G FR Away Olympia H Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Tue, Oct 6, 2026	Williamsville Community Unit School District SOC B V Home Riverton Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Oct 7, 2026	Williamsville Parent/Teacher Conferences	Staff Day	—
Wed, Oct 7, 2026	Williamsville Community Unit School District VB G V Away Olympia Hi Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Wed, Oct 7, 2026	Regular Dismissal - Sherman 2:40\; Williamsville 3:15 - Williamsvil	half_day	—
Wed, Oct 7, 2026	Williamsville Community Unit School District SOC B JV Home Riverton Visit https://williamsvilleathletics.org/main/event/scid/IL6269	Event	—
Thu, Oct 8, 2026	Regular Dismissal - Sherman 2:40\; Williamsville 3:15 - Williamsvil	half_day	—
Thu, Oct 8, 2026	Williamsville Parent/Teacher Conferences	Staff Day	—
Fri, Oct 9, 2026	No Student Attendance - Teacher Institute	Staff Day	—
Mon, Oct 12, 2026	No School - Columbus Day	Event	—
Wed, Oct 21, 2026	Board Meeting	Event	—
Thu, Nov 5, 2026	Picture Retake Day	Event	—
Tue, Nov 17, 2026	Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Sherman Paren	half_day	—
Tue, Nov 17, 2026	Sherman Parent/Teacher Conferences	Staff Day	—
Wed, Nov 18, 2026	Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Sherman Paren	half_day	—
Wed, Nov 18, 2026	Sherman Parent/Teacher Conferences	Staff Day	—
Thu, Nov 19, 2026	Board Meeting	Event	—
Tue, Nov 24, 2026	Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Thanksgiving	Holiday	—
Wed, Nov 25, 2026	No School - Thanksgiving Break	Break	—
Thu, Dec 17, 2026	Board Meeting	Event	—
Fri, Dec 18, 2026	Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Winter Break	Break	—
Mon, Dec 21, 2026	No School - Winter Break	Break	—
Mon, Jan 4, 2027	No Student Attendance - Teacher Institute	Staff Day	—
Mon, Jan 18, 2027	No School - Martin Luther King Jr. Day	Holiday	—
Thu, Jan 21, 2027	Board Meeting	Event	—
Fri, Feb 12, 2027	Half Day Student Attendance - Sherman 11:00\; Williamsville 11:30 -	Event	—
Mon, Feb 15, 2027	No School - Presidents' Day	Holiday	—
Thu, Feb 18, 2027	Board Meeting	Event	—
Fri, Mar 12, 2027	Spring Portraits	Event	—
Wed, Mar 17, 2027	Board Meeting	Event	—
Fri, Mar 19, 2027	Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Spring Break	Break	—
Mon, Mar 22, 2027	No School - Spring Break	Break	—
Fri, Apr 16, 2027	Half Day Student Attendance - Sherman 11:00\; Williamsville 11:30 -	Event	—
Wed, Apr 21, 2027	Board Meeting	Event	—
Fri, May 7, 2027	Half Day Student Attendance - Sherman 11:00\; Williamsville 11:30 -	Event	—
Wed, May 19, 2027	Board Meeting	Event	—
Mon, May 24, 2027	Half Day Student Attendance* - Sherman 11:00\; Williamsville 11:30* *These dates are subject to change due to emergency/weather can	Event	—
Tue, May 25, 2027	No Student Attendance* - Teacher Institute* *These dates are subject to change due to emergency/weather can	Staff Day	—
Mon, May 31, 2027	No School - Memorial Day	Holiday	—
Wed, Jun 16, 2027	Board Meeting	Event	—

Showing 162 events for the 2026-27 school year

Frequently Asked Questions about Williamsville High School

Williamsville High School has a total enrollment of 475 students and serves grades High. The school is part of the local school district in Williamsville, IL.

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School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data