ILHighCalendar available · 28 events · Auto-updating
Tri-Valley High School — School Calendar 2026-27
High|Downs, Illinois|Tri Valley CUSD 3
Downs, IL 61736
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Upcoming Events
Sep
7
Mon
No SchoolEvent
Sep
16
Wed
School Improvement Day - No SchoolEvent
Oct
12
Mon
No SchoolEvent
Oct
16
Fri
End of 1st QuarterEvent
Oct
22
Thu
Parent/Teacher Conference -Early Dismissal (1/2 day)Staff Day
Parent/Teacher Conf. Early Dismissal (1⁄2 ©)8:05 a.m. - 11:10 a.m. High School (9-12)8:10 a.m. - 11:15 a.m. Elementary School (K-3)8:15 a.m. - 11:20 a.m. Middle School (4-8)
Oct
23
Fri
Parent/Teacher Conference - No SchoolStaff Day
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School Profile
School Statistics
Academics (SY 2020-21)
ELA Proficiency
50-54%
Math Proficiency
40-44%
Chronic Absenteeism
6.4%
SY 2019-20
Programs & Activities (SY 2021-22)
AP Program
9 courses offered
87 students enrolled
Dual Enrollment
37 students enrolled
SAT/ACT
84 test takers
Athletics
8 sports, 16 teams
306 participants
Student-Teacher Ratio: 12.7:1
Near average in ILTechnology & Internet Access (SY 2021-22)
Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
350
Connected devices
Staff & Support Services (SY 2021-22)
Teachers (FTE)
26
100% fully certified
Counselors
1
Anti-Bullying Policy
District Finance (FY 2023)
Per-Pupil Spending
$14,200
Total current expenditure
Instruction Spending
$9,291
Per pupil, classroom only
Total Revenue/Pupil
$17,225
All funding sources
Funding Sources
Federal 3%State 32%Local 65%
District-level data from NCES F-33 Survey
Community Context
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
22.5%
Below 150% poverty line
3.2%
Unemployment rate
4.5%
Uninsured residents
4.0%
No HS diploma (25+)
Special Education (IDEA)
District-level data from IDEA Part B · Students ages 3-21 served under IDEA
Total Students Served
120
Ages 3-21 under IDEA
School-Age (6-21)
110
Receiving special ed services
Est. % of Enrollment
35%
District rate, school may vary
Disability Categories (District)
Specific Learning Disability
39 (35%)
Other Health Impairment
25 (23%)
Speech/Language Impairment
19 (17%)
Autism
14 (13%)
Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ
Enrollment Trend (2014-2025)
329
Current enrollment
Stable(+1% 5yr)Coming Up
Mon, Sep 7, 2026
No School
EventWed, Sep 16, 2026
School Improvement Day - No School
EventMon, Oct 12, 2026
No School
EventFull School Calendar 2026-27
| Date | Event |
|---|---|
| Mon, Sep 7, 2026 | No School |
| Wed, Sep 16, 2026 | School Improvement Day - No School |
| Mon, Oct 12, 2026 | No School |
| Fri, Oct 16, 2026 | End of 1st Quarter |
| Thu, Oct 22, 2026 | Parent/Teacher Conference -Early Dismissal (1/2 day) Parent/Teacher Conf. Early Dismissal (1⁄2 ©)8:05 a.m. - 11:10 a.m. High School (9-12)8:10 a.m. - 11:15 a.m. Elementary School (K-3)8:15 a.m. - 11:20 a.m. Middle School (4-8) |
| Fri, Oct 23, 2026 | Parent/Teacher Conference - No School |
| Mon, Nov 2, 2026 | School Improvement Day - No School |
| Wed, Nov 25, 2026 | No School |
| Fri, Dec 18, 2026 | Early Dismissal - 1:40P Early Dismissal Day (*)8:05 a.m. - 1:40 p.m. High School (9-12)8:10 a.m. - 1:45 p.m. Elementary School (K-3)8:15 a.m. - 1:50 p.m. Middle School (4-8) |
| Fri, Dec 18, 2026 | End of 2nd Quarter/1st Semester |
| Mon, Dec 21, 2026 | No School |
| Mon, Dec 28, 2026 | No School |
| Mon, Jan 4, 2027 | School Improvement Day - No School |
| Mon, Jan 18, 2027 | No School |
| Fri, Feb 12, 2027 | Teacher Institute - No School |
| Mon, Feb 15, 2027 | No School |
| Mon, Mar 8, 2027 | School Improvement Day - No School |
| Fri, Mar 12, 2027 | End of 3rd Quarter |
| Fri, Mar 19, 2027 | Early Dismissal - 1:40P Early Dismissal Day (*)8:05 a.m. - 1:40 p.m. High School (9-12)8:10 a.m. - 1:45 p.m. Elementary School (K-3)8:15 a.m. - 1:50 p.m. Middle School (4-8) |
| Mon, Mar 22, 2027 | No School |
| Mon, Mar 29, 2027 | No School |
| Fri, Apr 23, 2027 | School Improvement Day - No School |
| Wed, May 26, 2027 | Last Day of School - Early Dismissal Early Dismissal Day (*)8:05 a.m. - 1:40 p.m. High School (9-12)8:10 a.m. - 1:45 p.m. Elementary School (K-3)8:15 a.m. - 1:50 p.m. Middle School (4-8) |
| Wed, May 26, 2027 | End of 4th Quarter/2nd Semester |
| Thu, May 27, 2027 | Teacher Institute - No School |
Showing 25 events for the 2026-27 school year
Frequently Asked Questions about Tri-Valley High School
Tri-Valley High School currently enrolls 313 students across High grade levels. The school operates under the local school district in IL.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data