Naperville Cusd 203 2026-2027 School Calendar Holidays, breaks, and no school days

Next no-school day
Thursday
October 8
Professional Development Day
No-school days
31 weekdays
11 single days + 20 break days
First day
Thursday
August 13
2026
Last day
Wednesday
May 26
2027

School year at a glance

First Day Last Day No School Break Early Release Remote School Day
August 2026
SuMoTuWeThFrSa
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31
September 2026
SuMoTuWeThFrSa
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30
October 2026
SuMoTuWeThFrSa
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
November 2026
SuMoTuWeThFrSa
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30
December 2026
SuMoTuWeThFrSa
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
January 2027
SuMoTuWeThFrSa
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
February 2027
SuMoTuWeThFrSa
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28
March 2027
SuMoTuWeThFrSa
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
April 2027
SuMoTuWeThFrSa
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30
May 2027
SuMoTuWeThFrSa
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31

Longer breaks

Institute Day
Mon, Aug 10 – Wed, Aug 12
3 days off
3 school + 0 weekend days
Parent/Teacher Conferences
Thu, Oct 8 – Mon, Oct 12
5 days off
3 school + 2 weekend days
Thanksgiving Break
Wed, Nov 25 – Sun, Nov 29
5 days off
3 school + 2 weekend days
Winter Break
Sat, Dec 19 – Mon, Jan 4
17 days off
11 school + 6 weekend days
Spring Break
Fri, Mar 26 – Tue, Apr 6
12 days off
8 school + 4 weekend days

All 2026-2027 dates

No-school days, breaks and schedule changes, month by month.

August 2026

  • Professional Development Day Monday, August 10th No school
  • Professional Development Day Tuesday, August 11th No school
  • Teacher Workday Wednesday, August 12th No school
  • First Day of School Thursday, August 13th First day

September 2026

  • Labor Day Monday, September 7th No school

October 2026

  • Professional Development Day Thursday, October 8th No school
  • Parent/Teacher Conf. Friday, October 9th No school
  • Columbus/Indigenous Peoples' Day Monday, October 12th No school

November 2026

  • Remote Learning Day Tuesday, November 3rd Remote
  • Thanksgiving Break Wednesday, November 25th · 1 school day off Break
  • Thanksgiving Thursday, November 26th No school
  • Thanksgiving Break Friday, November 27th · 1 school day off Break

December 2026

  • Winter Break Monday, December 21st – Friday, January 1st · 10 school days off Break

January 2027

  • Professional Development Day Monday, January 4th No school
  • Classes Resume Tuesday, January 5th School open
  • Martin Luther King Jr. Day Monday, January 18th No school

February 2027

  • Presidents' Day Monday, February 15th No school
  • Remote Learning Day Tuesday, February 23rd Remote
  • Professional Development Day Friday, February 26th No school

March 2027

  • Professional Development Day Thursday, March 4th No school
  • Parent/Teacher Conf. Friday, March 5th No school
  • Spring Break Friday, March 26th – Tuesday, April 6th · 8 school days off Break

May 2027

  • Early Release Friday, May 7th Early release
  • Last Day of School Wednesday, May 26th Last day
  • Memorial Day Monday, May 31st No school

Frequently Asked Questions

When is there no school at Naperville Cusd 203 in 2026-2027?
There's no school at Naperville Cusd 203 on 15 single days in 2026-2027: Monday, August 10 (Professional Development Day); Tuesday, August 11 (Professional Development Day); Wednesday, August 12 (Teacher Workday); Monday, September 7 (Labor Day); Thursday, October 8 (Professional Development Day); Friday, October 9 (Parent/Teacher Conf.); Monday, October 12 (Columbus/Indigenous Peoples' Day); Thursday, November 26 (Thanksgiving); Monday, January 4 (Professional Development Day); Monday, January 18 (Martin Luther King Jr. Day), and five more. Breaks: Thanksgiving Break (Wednesday, November 25), Thanksgiving Break (Friday, November 27), Winter Break (Monday, December 21 to Friday, January 1) and Spring Break (Friday, March 26 to Tuesday, April 6).
When is the first and last day of school at Naperville Cusd 203 in 2026-2027?
The first day of school at Naperville Cusd 203 is Thursday, August 13, 2026. The last day of school is Wednesday, May 26, 2027. That's a school year of about 41 weeks.
How many school days are in the 2026-2027 school year at Naperville Cusd 203?
About 174 school days: the weekdays from the first day to the last day, minus days off.
How many days off does Naperville Cusd 203 have in 2026-2027?
About 31 weekdays with no school, not counting weekends or summer. That's 20 weekdays of breaks plus 11 single days off. There are also eight long weekends, where a Friday or Monday off joins the weekend.
What is the longest break at Naperville Cusd 203 in 2026-2027?
Winter Break is the longest: 17 days in a row with no school, from Saturday, December 19 to Monday, January 4, including weekends (ten school days off).
What is the longest stretch of school without a day off?
Thirty-six school days in a row (about seven weeks), from Wednesday, April 7 to Wednesday, May 26.
Which month has the most days off at Naperville Cusd 203?
December has the most, with nine weekdays off.
Does Naperville Cusd 203 have early-release or late-start days?
Yes, the 2026-2027 calendar has one early-release day. They're marked on the calendar above.

Counts are approximate and based on the published calendar.

Source: Naperville Cusd 203, last updated Oct. 2026. Dates can change, so confirm with the school before making plans.

All 2026-2027 school calendars

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