Naperville Community Unit School District 203 School Calendar 2026-2027

At a Glance

NCUSD is an urban school district with 22 schools. For the 2026-2027 school year, classes begin August 13 and end May 24. Naperville 203 serves more than 16,000 students across 22 schools, making it one of Illinois' largest and highest-performing school districts. This calendar includes 1 professional development day, 37 early-release or half days, 3 remote/asynchronous days — useful to know when planning childcare. The last day of school is weather-contingent, ranging from May 24 to May 25 depending on how many built-in weather makeup days are used.

Also known as NCUSD.

Schools in Naperville Community Unit School District 203

Beebe Elem School (Elementary)
Ellsworth Elem School (Elementary)
Elmwood Elem School (Elementary)
Highlands Elem School (Elementary)
Jefferson Jr High School (Middle)
Lincoln Jr High School (Middle)
Madison Jr High School (Middle)
Maplebrook Elem School (Elementary)
Mill Street Elem School (Elementary)
Naper Elem School (Elementary)
Naperville Central High School (High)
Naperville North High School (High)
Prairie Elem School (Elementary)
Scott Elementary School (Elementary)
Steeple Run Elem School (Elementary)
Washington Jr High School (Middle)
Ranch View Elementary School (Elementary)
River Woods Elementary School (Elementary)
Kennedy Junior High School (Middle)
Meadow Glens Elementary School (Elementary)
Kingsley Elementary School (Elementary)
Ann Reid Early Childhood Center (Prekindergarten)

Naperville Community Unit School District 203 2026-2027 School Calendar

All schools

2026-08-10 — Institute Day (closed)
2026-08-11 — Staff Development Day (closed)
2026-08-12 — Teacher Work Day (closed)
2026-08-13 — Classes Begin (in session)
2026-09-07 — NO SCHOOL-Labor Day Holiday (closed)
2026-10-08 — NO SCHOOL-Institute Day (closed)
2026-10-08 — Parent/Teacher Conferences 5-8:30 (closed)
2026-10-09 — NO SCHOOL-Parent/Teacher Conf. (closed)
2026-10-12 — NO SCHOOL--Columbus/Indigenous Peoples' Day (closed)
2026-11-03 — Election Day--E-Learning Day (remote)
Date to be confirmed — End of First Trimester (in session)
2026-11-25 to 2026-11-27 — NO SCHOOL-Thanksgiving Holiday (closed)
2026-12-18 — End of First Semester (in session)
2026-12-21 to 2027-01-01 — NO SCHOOL-Winter Vacation (closed)
2027-01-04 — NO SCHOOL-Institute Day (closed)
2027-01-05 — Classes Resume (in session)
2027-01-18 — NO SCHOOL-MLK Holiday (closed)
Date to be confirmed — End of Second Trimester (in session)
2027-02-15 — NO SCHOOL-Presidents' Day (closed)
2027-02-23 — Election Day--Tentative E-Learning Day (remote)
2027-02-26 — NO SCHOOL-County Institute Day** (closed)
2027-03-04 — NO SCHOOL-Institute Day (closed)
2027-03-04 — Parent/Teacher Conferences 5-8:30 (closed)
2027-03-05 — NO SCHOOL-Parent/Teacher Conf. (closed)
2027-03-26 — Spring Holiday (closed)
2027-03-29 to 2027-04-02 — NO SCHOOL-Spring Vacation (closed)
2027-04-06 — Election Day--E-Learning Day (remote)
2027-05-07 — Half-Day Institute (EC-No School) (partial)
Date to be confirmed — Commencement (tentative) (in session)
2027-05-24 — Classes End (tentative) (in session)
2027-05-25 to 2027-06-01 — Emergency Days (if needed) (closed)

High Schools

2026-08-19 — Late Arrival-High Schools (Wednesdays) (partial)
2026-08-26 — Late Arrival-High Schools (Wednesdays) (partial)
2026-09-02 — Late Arrival-High Schools (Wednesdays) (partial)
2026-09-09 — Late Arrival-High Schools (Wednesdays) (partial)
2026-09-16 — Late Arrival-High Schools (Wednesdays) (partial)
2026-09-23 — Late Arrival-High Schools (Wednesdays) (partial)
2026-09-30 — Late Arrival-High Schools (Wednesdays) (partial)
2026-10-07 — Late Arrival-High Schools (Wednesdays) (partial)
2026-10-14 — Late Arrival-High Schools (Wednesdays) (partial)
2026-10-21 — Late Arrival-High Schools (Wednesdays) (partial)
2026-10-28 — Late Arrival-High Schools (Wednesdays) (partial)
2026-11-04 — Late Arrival-High Schools (Wednesdays) (partial)
2026-11-11 — Late Arrival-High Schools (Wednesdays) (partial)
2026-11-18 — Late Arrival-High Schools (Wednesdays) (partial)
2026-12-02 — Late Arrival-High Schools (Wednesdays) (partial)
2026-12-09 — Late Arrival-High Schools (Wednesdays) (partial)
2026-12-16 — Late Arrival-High Schools (Wednesdays) (partial)
2027-01-06 — Late Arrival-High Schools (Wednesdays) (partial)
2027-01-13 — Late Arrival-High Schools (Wednesdays) (partial)
2027-01-20 — Late Arrival-High Schools (Wednesdays) (partial)
2027-01-27 — Late Arrival-High Schools (Wednesdays) (partial)
2027-02-03 — Late Arrival-High Schools (Wednesdays) (partial)
2027-02-10 — Late Arrival-High Schools (Wednesdays) (partial)
2027-02-17 — Late Arrival-High Schools (Wednesdays) (partial)
2027-02-24 — Late Arrival-High Schools (Wednesdays) (partial)
2027-03-03 — Late Arrival-High Schools (Wednesdays) (partial)
2027-03-10 — Late Arrival-High Schools (Wednesdays) (partial)
2027-03-17 — Late Arrival-High Schools (Wednesdays) (partial)
2027-03-24 — Late Arrival-High Schools (Wednesdays) (partial)
2027-04-07 — Late Arrival-High Schools (Wednesdays) (partial)
2027-04-14 — Late Arrival-High Schools (Wednesdays) (partial)
2027-04-21 — Late Arrival-High Schools (Wednesdays) (partial)
2027-04-28 — Late Arrival-High Schools (Wednesdays) (partial)
2027-05-05 — Late Arrival-High Schools (Wednesdays) (partial)
2027-05-12 — Late Arrival-High Schools (Wednesdays) (partial)
2027-05-19 — Late Arrival-High Schools (Wednesdays) (partial)