Serving 1,114 students in grades 9-12, Atascadero High School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 27% (which is lower than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 45-49% (which is approximately equal to 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 39% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,114 students
- Student:Teacher Ratio: 19:1
- Minority Enrollment: 39%
- Graduation Rate: 93% (Top 30% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 27% (Top 50%)
- Reading Proficiency: 45-49% (Top 50%)
- Science Proficiency: 33% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Atascadero High School's student population of 1,114 students has declined by 15% over five school years.
The teacher population of 60 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
1,114 students
Gender %
Total Classroom Teachers
60 teachers
Students by Grade
School Calendar
School Rankings
Atascadero High School ranks within the top 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Atascadero High School is 0.54, 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
#4344 out of 9602 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
27%
33%
Reading/Language Arts Test Scores (% Proficient)
45-49%
47%
Science Test Scores (% Proficient)
33%
29%
Student : Teacher Ratio
19:1
21:1
American Indian
1%
1%
Asian
2%
12%
Hispanic
30%
56%
Black
2%
5%
White
61%
20%
Hawaiian
n/a
n/a
Two or more races
4%
6%
All Ethnic Groups
Graduation Rate
93%
87%
Eligible for Free Lunch
32%
54%
Eligible for Reduced Lunch
12%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Atascadero High School's ranking?
Atascadero High School is ranked #4344 out of 9,602 schools, which ranks it among the top 50% of public schools in California.
What schools are Atascadero High School often compared to?
Atascadero High Schoolis often viewed alongside schools like San Luis Obispo High School, Templeton High School, Paso Robles High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
27% of students have achieved math proficiency (compared to the 33% CA state average), while 45-49% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Atascadero High School?
The graduation rate of Atascadero High School is 93%, which is higher than the California state average of 87%.
How many students attend Atascadero High School?
1,114 students attend Atascadero High School.
What is the racial composition of the student body?
61% of Atascadero High School students are White, 30% of students are Hispanic, 4% of students are Two or more races, 2% of students are Asian, 2% of students are Black, and 1% of students are American Indian.
What is the student:teacher ratio of Atascadero High School?
Atascadero High School has a student ration of 19:1, which is lower than the California state average of 21:1.
What grades does Atascadero High School offer ?
Atascadero High School offers enrollment in grades 9-12
What school district is Atascadero High School part of?
Atascadero High School is part of Atascadero Unified School District.
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