Serving 562 students in grades 7-8, Ruth O. Harris Middle 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 7% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 19% (which is lower than the California state average of 47%).
The student-teacher ratio of 20:1 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: 7-8
- Enrollment: 562 students
- Student-Teacher Ratio: 20:1
- Minority Enrollment: 98%
- Overall Testing Rank: Bottom 50% in CA
- Math Proficiency: 7% (Btm 50%)
- Reading Proficiency: 19% (Btm 50%)
- Science Proficiency: 8% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Ruth O. Harris Middle School's student population of 562 students has declined by 16% over five school years.
The teacher population of 28 teachers has declined by 12% over five school years.
Grades Offered
Grades 7-8
Total Students
562 students
Total Classroom Teachers
28 teachers
School Calendar
School Rankings
Ruth O. Harris Middle 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 Ruth O. Harris Middle School is 0.21, 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
#9131 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
7%
34%
Reading/Language Arts Test Scores (% Proficient)
19%
47%
Science Test Scores (% Proficient)
8%
29%
Student-Teacher Ratio
20:1
21:1
American Indian
1%
1%
Asian
2%
12%
Hispanic
89%
56%
Black
5%
5%
White
2%
20%
Hawaiian
n/a
n/a
Two or more races
1%
6%
All Ethnic Groups
Eligible for Free Lunch
70%
54%
Eligible for Reduced Lunch
16%
8%
School Statewide Testing
School District Name
Colton Joint Unified School District
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Ruth O. Harris Middle School's ranking?
Ruth O. Harris Middle School is ranked #9131 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
7% of students have achieved math proficiency (compared to the 34% CA state average), while 19% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Ruth O. Harris Middle School?
562 students attend Ruth O. Harris Middle School.
What is the racial composition of the student body?
89% of Ruth O. Harris Middle School students are Hispanic, 5% of students are Black, 2% of students are Asian, 2% of students are White, 1% of students are American Indian, and 1% of students are Two or more races.
What is the student-teacher ratio of Ruth O. Harris Middle School?
Ruth O. Harris Middle School has a student ration of 20:1, which is lower than the California state average of 21:1.
What grades does Ruth O. Harris Middle School offer ?
Ruth O. Harris Middle School offers enrollment in grades 7-8
What school district is Ruth O. Harris Middle School part of?
Ruth O. Harris Middle School is part of Colton Joint Unified School District.
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