School Year Dates

Approved calendar Checked

Chino Valley Unified school calendar 2026-27

First day, last day, breaks, holidays and teacher workdays, read from the district's own calendar.

Open the district's calendar (files.smartsites.parentsquare.com)Add to your calendar (.ics)

Independent site, not affiliated with any school district. School Year Dates is an independent publisher. We are not affiliated with, endorsed by or operated by Chino Valley Unified or any other school district. Official calendar: files.smartsites.parentsquare.com.

First day
Thanksgiving Break
to
Christmas/Winter Break
to
Spring Break
to
Last day

Grades and schools may start on different dates, and counts here are potential weekdays after only the listed closures, not verified attendance; check the district calendar for your child's grade and school.

Month by month

  • Weekday in term
  • Break
  • Holiday
  • No students (teacher workday)
  • Early release
  • First day
  • Last day
August 2026
SMTWTFS
1
234 New Teacher Workday5 New Teacher Workday6 K-6 Teacher Workday7 All Teacher Workday8
910 First day of school11 Weekday in term12 Weekday in term13 Weekday in term14 Weekday in term15
1617 Weekday in term18 Weekday in term19 Weekday in term20 Weekday in term21 Weekday in term22
2324 Weekday in term25 Weekday in term26 Weekday in term27 Weekday in term28 Weekday in term29
3031 Weekday in term
September 2026
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5
67 Labor Day8 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12
1314 Weekday in term15 Weekday in term16 Weekday in term17 Weekday in term18 Weekday in term19
2021 Weekday in term22 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26
2728 Weekday in term29 Weekday in term30 Weekday in term
October 2026
SMTWTFS
1 Weekday in term2 Weekday in term3
45 Weekday in term6 Weekday in term7 Weekday in term8 Weekday in term9 Weekday in term10
1112 Weekday in term13 Weekday in term14 Weekday in term15 Weekday in term16 Weekday in term17
1819 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24
2526 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term31
November 2026
SMTWTFS
12 Weekday in term3 Weekday in term4 Weekday in term5 Weekday in term6 Weekday in term7
89 Weekday in term10 Weekday in term11 Veterans’ Day12 Weekday in term13 Weekday in term14
1516 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20 Weekday in term21
2223 Thanksgiving Break24 Thanksgiving Break25 Thanksgiving Break26 Thanksgiving Break27 Thanksgiving Break28
2930 Weekday in term
December 2026
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5
67 Weekday in term8 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12
1314 Weekday in term15 Weekday in term16 Weekday in term17 Weekday in term18 Christmas/Winter Break; 7-12 Teacher Workday/TK-12 Non-School Day19 Christmas/Winter Break
20 Christmas/Winter Break21 Christmas/Winter Break22 Christmas/Winter Break23 Christmas/Winter Break24 Christmas/Winter Break25 Christmas/Winter Break26 Christmas/Winter Break
27 Christmas/Winter Break28 Christmas/Winter Break29 Christmas/Winter Break30 Christmas/Winter Break31 Christmas/Winter Break
January 2027
SMTWTFS
1 Christmas/Winter Break2 Christmas/Winter Break
3 Christmas/Winter Break4 Christmas/Winter Break5 Christmas/Winter Break6 Weekday in term7 Weekday in term8 Weekday in term9
1011 Weekday in term12 Weekday in term13 Weekday in term14 Weekday in term15 Weekday in term16
1718 Martin Luther King Day19 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23
2425 Weekday in term26 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30
31
February 2027
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5 Weekday in term6
78 Lincoln’s Birthday9 Weekday in term10 Weekday in term11 Weekday in term12 Weekday in term13
1415 Washington’s Birthday16 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20
2122 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26 Weekday in term27
28
March 2027
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5 Weekday in term6
78 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12 Weekday in term13
1415 Weekday in term16 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20
2122 Spring Break23 Spring Break24 Spring Break25 Spring Break26 Spring Break27 Spring Break
28 Spring Break29 Spring Break30 Weekday in term31 Weekday in term
April 2027
SMTWTFS
1 Weekday in term2 Weekday in term3
45 Weekday in term6 Weekday in term7 Weekday in term8 Weekday in term9 Weekday in term10
1112 Weekday in term13 Weekday in term14 Weekday in term15 Weekday in term16 Weekday in term17
1819 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24
2526 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term
May 2027
SMTWTFS
1
23 Weekday in term4 Weekday in term5 Weekday in term6 Weekday in term7 Weekday in term8
910 Weekday in term11 Weekday in term12 Weekday in term13 Weekday in term14 Weekday in term15
1617 Weekday in term18 Weekday in term19 Weekday in term20 Weekday in term21 Weekday in term22
2324 Weekday in term25 Weekday in term26 Weekday in term27 Last day of school28 All Teacher Workday29
3031 Memorial Day

The 2026-27 year in words

Classes for Chino Valley Unified run from until . End to end that is roughly 42 weeks, and after the breaks, holidays and teacher workdays are removed, 180 potential weekdays remain, based only on the exceptions listed here. After listed exceptions, the first week has five potential weekdays and the last week has four.

The calendar lists 3 breaks. Thanksgiving Break runs through : 5 days off the calendar, 5 of them weekdays. Students are off for Christmas/Winter Break from to , 19 days counting weekends and 13 weekdays counting Monday through Friday. Spring Break starts and ends , a total of 8 days with 6 weekdays off. Christmas/Winter Break is the longest break, 19 days from start to finish.

Between and there are 46 potential weekdays with no listed closure, the longest such run in this summary. Based only on the exceptions listed here, there are 87 potential weekdays before winter break and 93 after it.

8 other days off are marked as holidays: Independence Day Observed (), Labor Day (), Veterans’ Day (), Martin Luther King Day (), Lincoln’s Birthday (), Washington’s Birthday (), Memorial Day () and Juneteenth Observed (). 7 of these fall on a Monday or Friday and make a long weekend: Independence Day Observed, Labor Day, Martin Luther King Day, Lincoln’s Birthday, Washington’s Birthday, Memorial Day and Juneteenth Observed.

6 teacher workdays without students are listed, the first on and the last on .

Of the 19 California districts listed here, 11 start after Chino Valley Unified, 6 start before it and 1 share its first day. The group's median first day is . The earliest first day on the site in California is (Stockton Unified) and the latest is (Long Beach Unified).

Even approved calendars get revised when storms, elections or board decisions require it.

Dates in detail

Every listed date, in order
TypeDayDate(s)
HolidayIndependence Day Observed
Teacher workdayNew Teacher Workday
Teacher workdayNew Teacher Workday
Teacher workdayK-6 Teacher Workday
Teacher workdayAll Teacher Workday
HolidayLabor Day
HolidayVeterans’ Day
BreakThanksgiving Break to (5 weekdays)
BreakChristmas/Winter Break to (13 weekdays)
Teacher workday7-12 Teacher Workday/TK-12 Non-School Day
HolidayMartin Luther King Day
HolidayLincoln’s Birthday
HolidayWashington’s Birthday
BreakSpring Break to (6 weekdays)
Teacher workdayAll Teacher Workday
HolidayMemorial Day
HolidayJuneteenth Observed

Where these dates come from

Source: files.smartsites.parentsquare.com (a PDF calendar), read on . Districts revise calendars after severe weather, board votes and contract settlements, so the district's own page is the version that counts. If a date here looks wrong, tell us and we will re-check the source. How we check.

Other California districts

Districts in California close in size to Chino Valley Unified, with their own calendars on this site:

All California districts