Collinsville CUSD 10 School Calendar 2026-2027

At a Glance

CCUSD is a suburban school district with 12 schools. Collinsville CUSD 10 refers to its community as the 'Kahok Family,' a name derived from the school mascot Chief Kahok — a nod to the region's deep connection to the ancient Cahokia Mounds civilization. Calendar dates are confirmed for part of the year; the rest of the 2026-2027 calendar isn't available yet — check back soon.

Source: Collinsville CUSD 10

Also known as CCUSD.

Schools in Collinsville CUSD 10

Collinsville High School (High)
Collinsville Middle School (Middle)
Kreitner Elem School (Elementary)
John A Renfro Elementary School (Elementary)
Jefferson Elem School (Elementary)
Summit Elementary School (Elementary)
Maryville Elem School (Elementary)
Webster Elementary School (Elementary)
Twin Echo Elem School (Elementary)
Caseyville Elementary School (Elementary)
Dorris Intermediate Sch (Middle)
Hollywood Heights (Other)

Collinsville CUSD 10 2026-2027 School Calendar

All schools

2026-08-13 to 2026-08-14 — Institute Days – No School
2026-08-17 — First Day of Student Attendance
2026-09-07 — Labor Day – No School
2026-09-18 — Inservice Day – ½ Day Student Attendance
2026-10-09 — Institute Day – No School
2026-10-12 — Columbus Day – No School
2026-10-29 to 2026-10-30 — Parent Teacher Conferences – No School
2026-11-11 — Veteran's Day Holiday – No School
2026-11-25 to 2026-11-27 — Thanksgiving Break – No School
2026-12-23 to 2027-01-01 — Winter Break – No School
2027-01-01 — New Years Day – No School
2027-01-15 — Inservice Day – ½ Day Student Attendance
2027-01-18 — ML King Day – No School
2027-02-15 — President's Day – No School
2027-03-01 — Casimir Pulaski Day – No School
2027-03-26 to 2027-03-31 — Spring Break – No School
2027-04-01 to 2027-04-02 — Spring Break – No School
2027-05-28 — Last Day of Student Attendance
2027-05-31 — Memorial Day
2027-06-01 — Institute Day – No School
2026-08-17 to 2026-10-16 — Semester 1st Period
2026-10-19 to 2026-12-22 — Semester 2nd Period
2027-01-04 to 2027-03-12 — Semester 3rd Period
2027-03-15 to 2027-05-21 — Semester 4th Period
2026-08-17 to 2026-11-13 — Trimester 1st Trimester
2026-11-16 to 2027-02-19 — Trimester 2nd Trimester
2027-02-22 to 2027-05-21 — Trimester 3rd Trimester