Excellent
#1224 of 9,533 schools in CA
Top 13% in state
Arroyo Grande High
High School · Lucia Mar Unified
495 Valley Rd., Arroyo Grande, CA 93420
Enrollment
1,976
Student-Teacher
20.4:1
Score
8.1
Grades
9th – 12th
Enrollment
1,976
Student-Teacher
20.4:1
Score
8.1
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Arroyo Grande
#3 of 8
public schools
California high schools
#202 of 1,892
In district
#5 of 19
Lucia Mar Unified
Academic growth
9.1 / 10
Exceptional
About Arroyo Grande High
Arroyo Grande High is a public high school in Arroyo Grande, CA, part of the Lucia Mar Unified. The school serves approximately 1,976 students in grades 9th – 12th with a student-teacher ratio of 20.4:1. It holds a MySchoolScout rating of 8.1/10, placing it in the 87.2th percentile among CA schools — an above average rating overall.
Students demonstrate 33% proficiency in math, 1 points above the state average and 61% in reading/language arts, 9 points above the state average. The school scores particularly well in student growth (9.1/10). Located in a neighborhood with a median household income of $106,718, where 44% of adults hold a bachelor's degree or higher.
The school is situated in a small suburban setting.
What Parents Should Know
The student-teacher ratio at Arroyo Grande High is 20.4:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Arroyo Grande High — Students at Arroyo Grande High score 48% proficient, which is above what's typical for similar communities (expected: 47%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
48.8%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 6 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.1/10.
How Arroyo Grande High Compares
See how Arroyo Grande High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 34% (2019) to 31.89% (2024). Reading/ELA proficiency has improved from 54% (2019) to 63.8% (2024).
Location
495 Valley Rd., Arroyo Grande, CA 93420
Nearby Alternatives
Families considering Arroyo Grande High may also want to explore other high schools in the area. Branch Elementary (rated 9.0/10, 3.5 miles away), which scores slightly higher. Another option is Shell Beach Elementary (rated 8.7/10, 6.3 miles away, in nearby Pismo Beach), which scores slightly higher. Additionally, Fairgrove Elementary (rated 8.6/10, 1.5 miles away, in nearby Grover Beach), which scores slightly higher. For more schools in Arroyo Grande, see our Arroyo Grande schools guide .
Nearby Schools
20 within 7.6 mi| School | Distance | Rating |
|---|---|---|
| Valley View Adventist School Arroyo Grande | 0.7 mi | — |
| VALLEY VIEW ADVENTIST JUNIOR ACADEMY Arroyo Grande | 0.7 mi | 6.8 |
| ARROYO GRANDE MONTESSORI SCHOOL Arroyo Grande | 0.6 mi | — |
| Harloe Elementary Arroyo Grande | 0.7 mi | 5.4 |
| Paulding Middle Arroyo Grande | 0.9 mi | 7.4 |
| ST PATRICKS CATHOLIC SCHOOL Arroyo Grande | 1.0 mi | 5.0 |
| Ocean View Elementary Arroyo Grande | 1.2 mi | 8.2 |
| Fairgrove Elementary Grover Beach | 1.5 mi | 8.6 |
| Oceano Elementary Oceano | 2.0 mi | 6.8 |
| COASTAL CHRISTIAN SCHOOL Pismo Beach | 2.2 mi | 4.6 |
| Grover Beach Elementary Grover Beach | 2.1 mi | 3.7 |
| DANDY LION MONTESSORI SCHOOL Grover Beach | 2.1 mi | — |
| Mesa Middle Arroyo Grande | 2.7 mi | 6.7 |
| Grover Heights Elementary Grover Beach | 2.4 mi | 6.6 |
| Lopez Continuation High Arroyo Grande | 3.5 mi | 6.8 |
| Pacific View Academy Arroyo Grande | 3.5 mi | 5.8 |
| Branch Elementary Arroyo Grande | 3.5 mi | 9.0 |
| Judkins Middle Pismo Beach | 3.9 mi | 6.6 |
| Shell Beach Elementary Pismo Beach | 6.3 mi | 8.7 |
| Los Ranchos Elementary San Luis Obispo | 7.6 mi | 5.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 93420 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$106,718
Median Home Value
$872,200
Median Rent
$2,025/mo
Population
32,016
College Educated
43.7%
Homeownership
66.2%
Avg Commute
22.4 min
Poverty Rate
7.5%
Median Age
45.4
Community Profile
The community surrounding Arroyo Grande High has a median household income of $106,718. It is a well-educated community where 44% of adults hold a bachelor's degree or higher. The median home value in the area is $872,200, with a median rent of $2,025/month. The local poverty rate of 7.5% is relatively low. The average commute for residents is 22 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Arnold O. Beckman High Tustin, CA | 8.1 |
| Classical Academy High Escondido, CA | 8.1 |
| Clovis North High Fresno, CA | 8.1 |
| Cordova High Rancho Cordova, CA | 8.1 |
| Delano High Delano, CA | 8.1 |
| Esperanza High Placentia, CA | 8.1 |
Frequently Asked Questions
Common questions about Arroyo Grande High
What grades does Arroyo Grande High serve?
Arroyo Grande High serves students in grades 9th through 12th.
How many students attend Arroyo Grande High?
Arroyo Grande High has an enrollment of approximately 1,976 students.
What is the student-teacher ratio at Arroyo Grande High?
The student-teacher ratio at Arroyo Grande High is 20.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Arroyo Grande High rank in CA?
Arroyo Grande High is ranked #1224 out of 9,533 schools in CA.
What is Arroyo Grande High's MySchoolScout rating?
Arroyo Grande High has a composite rating of 8.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Arroyo Grande High?
Based on the most recent state assessment data, Arroyo Grande High has 32.6% math proficiency and 60.5% reading/ELA proficiency.
Is Arroyo Grande High a charter school?
No, Arroyo Grande High is not a charter school. It is a traditional public school operated by the local school district.
Is Arroyo Grande High a Title I school?
No, Arroyo Grande High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Arroyo Grande High?
48.8% of students at Arroyo Grande High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Arroyo Grande). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,976
- Student-Teacher Ratio
- 20.4:1
- Teachers (FTE)
- 97
- Free/Reduced Lunch
- 48.8%
- Type
- regular
- Setting
- Small Suburb
- County
- San Luis Obispo County
- Phone
- (805) 474-3200
- Data Year
- 2023–2024
Resources & Links
District
Lucia Mar Unified- District Enrollment
- 9,621
- Schools in District
- 19
- Per-Pupil Spending
- $15,858
- District Rank
- #5 of 19
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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