Colton High School is an American public high school in Colton, California. It is located just north of Interstate 10 at Rancho Avenue. Colton High School opened in 1895 as the first High School of the Colton School District. It is one of five High Schools in the district.
Serving 1,729 students in grades 9-12, Colton High School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 41% (which is lower than the California state average of 47%).
The student-teacher ratio of 19:1 is lower than the California state level of 21:1.
Minority enrollment is 98% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,729 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 98%
- Graduation Rate: 84% (Btm 50% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15% (Btm 50%)
- Reading Proficiency: 41% (Btm 50%)
- Science Proficiency: 7% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Colton High School's student population of 1,729 students has declined by 12% over five school years.
The teacher population of 89 teachers has declined by 6% over five school years.
Grades Offered
Grades 9-12
Total Students
1,729 students
Total Classroom Teachers
89 teachers
Year Founded
1909
School Motto
We are ALL about learning!
School Rankings
Colton High School ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Colton High School is 0.10, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#6495 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15%
34%
Reading/Language Arts Test Scores (% Proficient)
41%
47%
Science Test Scores (% Proficient)
7%
29%
Student-Teacher Ratio
19:1
21:1
American Indian
n/a
1%
Asian
1%
12%
Hispanic
95%
56%
Black
2%
5%
White
2%
20%
Hawaiian
n/a
n/a
Two or more races
n/a
6%
All Ethnic Groups
Graduation Rate
84%
87%
Eligible for Free Lunch
79%
54%
Eligible for Reduced Lunch
12%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Yellowjacket
Frequently Asked Questions
What is Colton High School's ranking?
Colton High School is ranked #6495 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Colton High School often compared to?
Colton High Schoolis often viewed alongside schools like Rialto High School, Grand Terrace High School At The Ray Abril Jr. Edal Complex by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15% of students have achieved math proficiency (compared to the 34% CA state average), while 41% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Colton High School?
The graduation rate of Colton High School is 84%, which is lower than the California state average of 87%.
How many students attend Colton High School?
1,729 students attend Colton High School.
What is the racial composition of the student body?
95% of Colton High School students are Hispanic, 2% of students are Black, 2% of students are White, and 1% of students are Asian.
What is the student-teacher ratio of Colton High School?
Colton High School has a student ration of 19:1, which is lower than the California state average of 21:1.
What grades does Colton High School offer ?
Colton High School offers enrollment in grades 9-12
What school district is Colton High School part of?
Colton High School is part of Colton Joint Unified School District.
School Calendar
View the Colton High School yearly calendar below. Note key dates such as:
Event
Date
First Day of School for 2026 - 2027 School Year
July 31, 2026 (Friday)
School Reviews
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