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 2026-27 school year, there are 5 public high schools serving 5,527 students in Colton Joint Unified School District. This district's average high testing ranking is 3/10, which is in the bottom 50% of public high schools in California.
Public High Schools in Colton Joint Unified School District have an average math proficiency score of 13% (versus the California public high school average of 28%), and reading proficiency score of 35% (versus the 51% statewide average).
Public High School in Colton Joint Unified School District have a Graduation Rate of 86%, which is equal to the California average of 86%.
The school with highest graduation rate is Grand Terrace High School At The Ray Abril Jr. Edal Complex, with 90% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 96% of the student body (majority Hispanic), which is more than the California public high school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
28 Schools
2,790 Schools
# Students
18,397 Students
2,122,151 Students
# Teachers
878 Teachers
101,015 Teachers
Student-Teacher Ratio
21:1
21:1
Student By Grade
District Rank
Colton Joint Unified School District, which is ranked #1503 of all 1,903 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.
Overall District Rank
#1472 out of 1932 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
19%
34%
Reading/Language Arts Test Scores (% Proficient)
31%
47%
Science Test Scores (% Proficient)
14%
29%
Graduation Rate
86%
87%
Chronically Absent Students
(2022-23)36.2%
27.7%
Students by Ethnicity:
Diversity Score
0.22
0.63
% American Indian
n/a
1%
% Asian
2%
12%
% Hispanic
88%
56%
% Black
5%
5%
% White
4%
21%
% Hawaiian
n/a
n/a
% Two or more races
1%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $19,601 in this school district is less than the state median of $20,106. 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 $18,517. The school district spending/student has grown by 16% over four school years.
Total Revenue
$361 MM
$116,387 MM
Spending
$322 MM
$107,188 MM
Revenue / Student
$19,601
$20,106
Spending / Student
$17,483
$18,517
Best Colton Joint Unified School District Public High Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Colton High School
(Math: 15% | Reading: 41%)
Rank:
Rank:
4/
Bottom 50%10
777 West Valley Blvd.
Colton, CA 92324
(909) 580-5005
Colton, CA 92324
(909) 580-5005
Gr: 9-12 | 1,729 students Student-teacher ratio: 19:1 Minority enrollment: 98%
Rank: #22.
Grand Terrace High School At The Ray Abril Jr. Edal Complex
(Math: 15% | Reading: 37%)
Rank:
Rank:
3/
Bottom 50%10
21810 Main St.
Grand Terrace, CA 92313
(909) 580-5006
Grand Terrace, CA 92313
(909) 580-5006
Gr: 9-12 | 1,647 students Student-teacher ratio: 20:1 Minority enrollment: 90%
Rank: #33.
Bloomington High School
(Math: 12% | Reading: 37%)
Rank:
Rank:
3/
Bottom 50%10
10750 Laurel Ave.
Bloomington, CA 92316
(909) 580-5004
Bloomington, CA 92316
(909) 580-5004
Gr: 9-12 | 1,794 students Student-teacher ratio: 19:1 Minority enrollment: 98%
Rank: #44.
Washington High School
Alternative School
(Math: 6-9% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
900 East C St.
Colton, CA 92324
(909) 580-5011
Colton, CA 92324
(909) 580-5011
Gr: K-12 | 126 students Student-teacher ratio: 7:1 Minority enrollment: 92%
Rank: #55.
Slover Mountain High (Continuation School)
Alternative School
(Math: ≤5% | Reading: 6-9%)
Rank:
Rank:
1/
Bottom 50%10
18829 Orange St.
Bloomington, CA 92316
(909) 580-5013
Bloomington, CA 92316
(909) 580-5013
Gr: 9-12 | 231 students Student-teacher ratio: 13:1 Minority enrollment: 98%
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