Serving 1,248 students in grades 9-12, San Dimas High School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 47% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 75% (which is higher than the California state average of 47%).
The student:teacher ratio of 21:1 is equal to the California state level of 21:1.
Minority enrollment is 81% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,248 students
- Student:Teacher Ratio: 21:1
- Minority Enrollment: 81%
- Graduation Rate: 97% (Top 10% in CA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 47% (Top 30%)
- Reading Proficiency: 75% (Top 10%)
- Science Proficiency: 28% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
San Dimas High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Graduation Rate
School Overview
San Dimas High School's student population of 1,248 students has declined by 6% over five school years.
The teacher population of 60 teachers has grown by 5% over five school years.
Grades Offered
Grades 9-12
Total Students
1,248 students
Gender %
Total Classroom Teachers
60 teachers
Students by Grade
School Calendar
School Rankings
San Dimas High School ranks within the top 20% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of San Dimas High School is 0.58, 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
#1496 out of 9602 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
47%
33%
Reading/Language Arts Test Scores (% Proficient)
75%
47%
Science Test Scores (% Proficient)
28%
29%
Student : Teacher Ratio
21:1
21:1
American Indian
n/a
1%
Asian
9%
12%
Hispanic
61%
56%
Black
3%
5%
White
19%
20%
Hawaiian
n/a
n/a
Two or more races
8%
6%
All Ethnic Groups
Graduation Rate
97%
87%
Eligible for Free Lunch
30%
54%
Eligible for Reduced Lunch
2%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is San Dimas High School's ranking?
San Dimas High School is ranked #1496 out of 9,602 schools, which ranks it among the top 20% of public schools in California.
What schools are San Dimas High School often compared to?
San Dimas High Schoolis often viewed alongside schools like Glendora High School, Bonita High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
47% of students have achieved math proficiency (compared to the 33% CA state average), while 75% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of San Dimas High School?
The graduation rate of San Dimas High School is 97%, which is higher than the California state average of 87%.
How many students attend San Dimas High School?
1,248 students attend San Dimas High School.
What is the racial composition of the student body?
61% of San Dimas High School students are Hispanic, 19% of students are White, 9% of students are Asian, 8% of students are Two or more races, and 3% of students are Black.
What is the student:teacher ratio of San Dimas High School?
San Dimas High School has a student ration of 21:1, which is equal to the California state average of 21:1.
What grades does San Dimas High School offer ?
San Dimas High School offers enrollment in grades 9-12
What school district is San Dimas High School part of?
San Dimas High School is part of Bonita Unified School District.
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