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Williamsville CUSD 15 — District Profile & Schools

Williamsville, Illinois · Sangamon County

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Key Dates — Williamsville CUSD 15 School Calendar

The first day of school in Williamsville CUSD 15 is Wed, Aug 26, 2026, according to the district's published calendar. Scheduled breaks include No School - Thanksgiving Break (Wed, Nov 25, 2026 to Fri, Nov 27, 2026), Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Winter Break (Fri, Dec 18, 2026), No School - Winter Break (Mon, Dec 21, 2026 to Mon, Jan 4, 2027), Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Spring Break (Fri, Mar 19, 2027), No School - Spring Break (Mon, Mar 22, 2027 to Mon, Mar 29, 2027).

First day of school
Wed, Aug 26, 2026
No School - Thanksgiving Break
Wed, Nov 25, 2026 to Fri, Nov 27, 2026
Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Winter Break
Fri, Dec 18, 2026
No School - Winter Break
Mon, Dec 21, 2026 to Mon, Jan 4, 2027
Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Spring Break
Fri, Mar 19, 2027
No School - Spring Break
Mon, Mar 22, 2027 to Mon, Mar 29, 2027
No School - Labor Day
Mon, Sep 7, 2026
No School - Columbus Day
Mon, Oct 12, 2026
Early Dismissal - Sherman 1:45\; Williamsville 2:15 - Thanksgiving
Tue, Nov 24, 2026
No School - Martin Luther King Jr. Day
Mon, Jan 18, 2027
No School - Presidents' Day
Mon, Feb 15, 2027
No School - Memorial Day
Mon, May 31, 2027
1,453
Students
3
Schools
1 elem · 1 mid · 1 high
14.7:1
Student-Teacher
99 teachers
-1 - 12
Grades

Quick Facts

484
Avg. School Size
130
Total Staff

Williamsville CUSD 15 Calendar

254 events

Source

Jul 15 - 16

Event

Board Meeting

Wed, Aug 5

Event

Williamsville Community Unit School District SB G JHA Home Auburn M

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

Wed, Aug 5

Event

Registration Opens

Wed, Aug 5

Event

WHS Registration Opens for 26-27 School Year

Aug 5 - 6

Event

Williamsville Community Unit School District SB G JHB Home Auburn M

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

Aug 5 - 6

Event

Board Meeting

Thu, Aug 6

Event

Williamsville Community Unit School District SB G JHB Away Kingsley

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

Sat, Aug 8

Event

Williamsville Community Unit School District SB G JHB Home Glenwood

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

Sat, Aug 8

Event

Williamsville Community Unit School District SB G JHA Home Glenwood

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

Mon, Aug 10

Event

New Student Registration

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Data source: official Williamsville CUSD 15 website · How we verify this data

Contact

Address
800 S Walnut St
Williamsville, IL 62693
Phone
(217)566-2014

Staff & Students

Teachers (FTE)
99
Total Staff
130
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about Williamsville CUSD 15

The first day of school in Williamsville CUSD 15 is Wed, Aug 26, 2026, according to the district's published calendar.

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