Colton Joint Unified School District

1212 Valencia Dr.
Colton, CA 92324-1798
(District boundaries shown in map)
3/
10
Bottom 50%

Top Rankings

Colton Joint Unified School District ranks among the top 20% of public school district in California for:

Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there are 5 public middle schools serving 3,115 students in Colton Joint Unified School District. This district's average middle testing ranking is 1/10, which is in the bottom 50% of public middle schools in California.
Public Middle Schools in Colton Joint Unified School District have an average math proficiency score of 11% (versus the California public middle school average of 32%), and reading proficiency score of 21% (versus the 46% statewide average).
Minority enrollment is 96% of the student body (majority Hispanic), which is more than the California public middle school average of 78% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
28 Schools
3,465 Schools
# Students
18,397 Students
1,858,531 Students
# Teachers
878 Teachers
88,108 Teachers
Student-Teacher Ratio
21:1
21:1

Student By Grade

District Rank

Colton Joint Unified School District, which is ranked #1500 of all 1,904 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 86% has stayed relatively flat over five school years.
This School District
State Average (CA)
#1472 out of 1932 school districts
(Bottom 50%)
19%
34%
31%
47%
14%
29%
86%
87%
(2022-23)
36.2%
27.7%

Students by Ethnicity:

0.22
0.64
% American Indian
n/a
1%
% Asian
2%
11%
% Hispanic
88%
55%
% Black
5%
5%
% White
4%
22%
% Hawaiian
n/a
n/a
% Two or more races
1%
6%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $19,601 in this school district is less than the state median of $20,100. The school district revenue/student has grown by 27% over four school years.
The school district's spending/student of $17,483 is less than the state median of $18,512. The school district spending/student has grown by 16% over four school years.
This School District
This State (CA)
Total Revenue
$361 MM
$116,387 MM
Spending
$322 MM
$107,188 MM
Revenue / Student
$19,601
$20,100
Spending / Student
$17,483
$18,512

Best Colton Joint Unified School District Public Middle Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Terrace Hills Middle School
(Math: 14% | Reading: 20%)
Rank:
2/
10
Bottom 50%
22579 Deberry St.
Grand Terrace, CA 92313
(909) 580-5022
Gr: 7-8 | 852 students Student-teacher ratio: 22:1 Minority enrollment: 92%
Rank: #22.
Joe Baca
(Math: 13% | Reading: 21%)
Rank:
2/
10
Bottom 50%
1640 South Lilac Ave.
Bloomington, CA 92316
(909) 580-5014
Gr: 7-8 | 705 students Student-teacher ratio: 18:1 Minority enrollment: 97%
Rank: #33.
Colton Middle School
(Math: 9% | Reading: 23%)
Rank:
1/
10
Bottom 50%
670 West Laurel St.
Colton, CA 92324
(909) 580-5009
Gr: 7-8 | 870 students Student-teacher ratio: 22:1 Minority enrollment: 98%
Rank: #44.
Washington High School
Alternative School
(Math: 6-9% | Reading: ≤20%)
Rank:
1/
10
Bottom 50%
900 East C St.
Colton, CA 92324
(909) 580-5011
Gr: K-12 | 126 students Student-teacher ratio: 7:1 Minority enrollment: 92%
Rank: #55.
Ruth O. Harris Middle School
(Math: 7% | Reading: 19%)
Rank:
1/
10
Bottom 50%
11150 Alder Ave.
Bloomington, CA 92316
(909) 580-5020
Gr: 7-8 | 562 students Student-teacher ratio: 20:1 Minority enrollment: 98%

Recent Articles

The School Choice Comparison Worksheet: 15 Factors Beyond Test Scores
The School Choice Comparison Worksheet: 15 Factors Beyond Test Scores
Compare public schools with confidence using this 15-factor worksheet that looks beyond test scores to school culture, programs, safety, and student support.
Boundary Changes and Rezoning: How to Protect Your Child's School Plan
Boundary Changes and Rezoning: How to Protect Your Child's School Plan
Learn why school boundary changes happen, how rezoning affects families, and the practical steps parents can take to protect their child's educational plan.
Teacher Turnover: How to Read the Warning Signs
Teacher Turnover: How to Read the Warning Signs
Learn how to identify warning signs of teacher turnover, what causes frequent staff changes, and how parents can evaluate school stability.

Quick Facts (2026)

  • District size: 28 schools
  • Grades: K-12
  • Enrollment: 18,397 students
  • Student-Teacher Ratio: 21:1
  • Minority Enrollment: 96%
  • : 86% (Top 50% in CA)
  • : Bottom 50%
  • : 19% (Btm 50%)
  • : 31% (Btm 50%)
  • : 14% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Quick Links