Arroyo Grande High School is an American public high school located in Arroyo Grande, California. It serves grades 9–12 as part of the Lucia Mar Unified School District.
Serving 2,012 students in grades 9-12, Arroyo Grande 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 30% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 56% (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 52% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,012 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 52%
- Graduation Rate: 94% (Top 30% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 30% (Top 50%)
- Reading Proficiency: 56% (Top 30%)
- Science Proficiency: 29% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Arroyo Grande High School's student population of 2,012 students has stayed relatively flat over five school years.
The teacher population of 96 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
2,012 students
Total Classroom Teachers
96 teachers
Year Founded
1905
Colors
Blue and Gold
Campus Size
25 acres
School Motto
Truth and Honor
Average Class Size
27 students
School Rankings
Arroyo Grande High School ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Arroyo Grande High School is 0.59, 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
#3485 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
30%
34%
Reading/Language Arts Test Scores (% Proficient)
56%
47%
Science Test Scores (% Proficient)
29%
29%
Student-Teacher Ratio
21:1
21:1
Asian
3%
12%
Hispanic
42%
56%
Black
1%
5%
White
48%
20%
Two or more races
6%
6%
All Ethnic Groups
Graduation Rate
94%
87%
Chronically Absent Students
(22-23)26.9%
27.7%
Eligible for Free Lunch
37%
54%
Eligible for Reduced Lunch
10%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Eagles
Frequently Asked Questions
What is Arroyo Grande High School's ranking?
Arroyo Grande High School is ranked #3485 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Arroyo Grande High School often compared to?
Arroyo Grande High Schoolis often viewed alongside schools like San Luis Obispo High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30% of students have achieved math proficiency (compared to the 34% CA state average), while 56% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Arroyo Grande High School?
The graduation rate of Arroyo Grande High School is 94%, which is higher than the California state average of 87%.
How many students attend Arroyo Grande High School?
2,012 students attend Arroyo Grande High School.
What is the racial composition of the student body?
48% of Arroyo Grande High School students are White, 42% of students are Hispanic, 6% of students are Two or more races, 3% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Arroyo Grande High School?
Arroyo Grande High School has a student ration of 21:1, which is equal to the California state average of 21:1.
What grades does Arroyo Grande High School offer ?
Arroyo Grande High School offers enrollment in grades 9-12
What school district is Arroyo Grande High School part of?
Arroyo Grande High School is part of Lucia Mar Unified School District.
School Reviews
Review Arroyo Grande High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Learn how to evaluate whether a public school teaches media literacy effectively, from fact-checking and source evaluation to digital citizenship and critical thinking.
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Explore why some public schools are reducing screen time, bringing back paper learning, and rethinking the balance between technology and traditional instruction.
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Learn how public schools use AI, protect student data, and the key privacy questions every parent should ask their school district in 2026.
