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Colorado River Union High School District (4381) — District Profile & Schools

BULLHEAD CITY, Arizona · Mohave County

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Key Dates — Colorado River Union High School District (4381) School Calendar

The first day of school in Colorado River Union High School District (4381) is Mon, Aug 3, 2026, according to the district's published calendar. Scheduled breaks include Fall Break (Mon, Nov 23, 2026 to Fri, Nov 27, 2026), Winter Break (Mon, Dec 21, 2026 to Fri, Jan 1, 2027), Spring Break (Mon, Mar 15, 2027 to Fri, Mar 19, 2027).

First day of school
Mon, Aug 3, 2026
Fall Break
Mon, Nov 23, 2026 to Fri, Nov 27, 2026
Winter Break
Mon, Dec 21, 2026 to Fri, Jan 1, 2027
Spring Break
Mon, Mar 15, 2027 to Fri, Mar 19, 2027
Labor Day
Mon, Sep 7, 2026
MLK Jr Day
Mon, Jan 18, 2027
Presidents Day
Mon, Feb 15, 2027
1,875
Students
3
Schools
0 elem · 0 mid · 3 high
20.8:1
Student-Teacher
90 teachers
9 - 12
Grades

Quick Facts

625
Avg. School Size
207
Total Staff

Colorado River Union High School District (4381) Calendar

14 events

Mon, Aug 3

Event

First Day of School

Mon, Sep 7

Holiday

Labor Day

Thu, Sep 24

Event

Progress Reports

Wed, Nov 11

Event

Veterans Day

Nov 23 - 27

Break

Fall Break

Dec 16 - 17

Early Dismissal

Finals /Early Release Days

Dec 21 - 25

Break

Winter Break

Mon, Dec 28 - Fri, Jan 1

Break

Winter Break

Mon, Jan 4

Event

Students Return

Mon, Jan 18

Holiday

MLK Jr Day

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Data source: official Colorado River Union High School District (4381) website · Last verified Jul 7, 2026 · How we verify this data

Contact

Address
PO BOX 21479
BULLHEAD CITY, AZ 86439
Phone
(928)758-3916

Staff & Students

Teachers (FTE)
90
Total Staff
207
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about Colorado River Union High School District (4381)

The first day of school in Colorado River Union High School District (4381) is Mon, Aug 3, 2026, according to the district's published calendar.

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