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Calendars & School Hours
School-Year Calendar
The 2025-26 school-year calendar was approved by the Board of Education on January 27, 2025. The 2026-27 school-year calendar was approved by the Board of Education on December 15, 2025.
PLEASE NOTE: Calendars are subject to change based on unpredicted circumstances or state guidance applicable to the school year.
School Hours (Regular)
Collinsville schools operate with staggered start times to facilitate the efficient transportation of students. A modified schedule is followed for the first and last day of each school year as well as for staff in-service days. Students are dismissed 1/2 hour early EVERY Wednesday during the school year so staff can participate in Professional Learning Communities (PLC).
| Full Day Schedule | |
| Elementary Schools All Elementary except Webster |
7:55 am – 2:40 pm |
| Elementary School Webster students |
7:55 am – 2:25 pm |
| Dorris Intermediate School | 9:00 am – 3:45 pm |
| Collinsville Middle School | 8:45 am – 3:40 pm |
| Collinsville High School | 7:50 am – 2:50 pm |
| Hollywood Heights | 7:30 am – 1:30 pm |
| Half Day Schedule | |
| Elementary Schools All Elementary except Webster |
7:55 am – 11:20 am |
| Elementary School Webster students |
7:55 am – 11:05 am |
| Dorris Intermediate School | 9:00 am – 12:25 pm |
| Collinsville Middle School | 8:45 am – 12:15 pm |
| Collinsville High School | 7:50 am – 11:20 am |
| Hollywood Heights | 7:30 am – 11:00 am |
| Wednesday 1/2 Hour Early Dismissal Schedule | |
| Elementary Schools All Elementary except Webster |
7:55 am – 2:10 pm |
| Elementary School Webster students |
7:55 am – 1:55 pm |
| Dorris Intermediate School | 9:00 am – 3:15 pm |
| Collinsville Middle School | 8:45 am – 3:10 pm |
| Collinsville High School | 7:50 am – 2:20 pm |
| Hollywood Heights | 7:30 am – 1:30 pm* |
* Hollywood Heights School does NOT dismiss 1/2 hour early on early dismissal Wednesdays.