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Public high school · Lucia Mar Unified · Arroyo Grande, California

Arroyo Grande High

Arroyo Grande High rates 8.0, above the middle of Lucia Mar Unified's high schools, whose rated median is 7.5.

High schools, 1 to 10This campus against public high schools around it that are rated on verified state test data.
8.0this school

8.0 on a one-to-ten scale; the Lucia Mar Unified median is 7.5.

#1,297 of 9,557 schools in California · Lucia Mar Unified: 4 high schools rated, median 7.5

The brief

A Lucia Mar Unified high school where students score 4 points above what's typical for similar communities.

It ranks 1,297 of 9,557 schools in California and 5 of 19 in Lucia Mar Unified.

Arroyo Grande High is listed in Lucia Mar Unified, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math37%3 points above the California average of 34%2025 CAASPP
Reading70%17 points above the California average of 53%2025 CAASPP
Proficiency declined earlier in the 17-year record (2009–2025), then recovered 9 points since 2018, reaching 53% in 2025.2025 CAASPP; 30 test records from CA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
8.9
25% of the rating
Academics
8.0
25% of the rating
College Readiness
7.7
30% of the rating
Resources & Environment
7.1
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 4/4 metrics

Multi-year averages used by the rating model: math 45% (multi-year average, 2009-2025) · reading/ELA 62% (multi-year average, 2009-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 93420; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Arroyo Grande High and the 20 nearest high schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$106,718
Median home value
$872,200
Median rent
$2,025/mo
College educated
43.7%
Homeownership
66.2%
Poverty rate
7.5%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 93420; this is area context, not an attendance boundary.

Getting around

Walk Score
27
Car-Dependent
Bike Score
49
Somewhat Bikeable
City reported crime
698/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Arroyo Grande. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Arroyo Grande), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

AP and IB
3 AP courses
27.1% participation · state average 2.6 AP courses · CRDC via Urban Institute · SY 2021–22
Athletics
17 sports
8 boys' · 9 girls' · 52 teams (incl. JV) · CRDC via Urban Institute · SY 2021–22
Advanced STEM courses
5 of 5
Algebra II, Advanced Math, Calculus, Chemistry, Physics · CRDC via Urban Institute · SY 2021–22

Who goes here

Free or reduced lunch
48.8%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. Arroyo Grande Highthis school
    8.0
  2. 6.2Compare →
  3. 5.3Compare →
Two grade-compatible schools using the same rating model sit within 5 miles, and none rates higher than Arroyo Grande High.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

Questions families ask

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 ranks #1,297 of 9,557 schools in CA.

What is Arroyo Grande High's MySchoolScout rating?

Arroyo Grande High has a current MySchoolScout rating of 8.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Arroyo Grande High?

Based on loaded state assessment records, Arroyo Grande High has 45% math proficiency (multi-year average, 2009-2025) and 62% reading/ELA proficiency (multi-year average, 2009-2025).

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.

School facts

Grades
9th – 12th
Enrollment
1,976
Student-teacher ratio
20.4:1
Teachers (FTE)
97
Type
Regular
Title I
No
Setting
Small Suburb
County
San Luis Obispo County
4-year graduation
94.0%
Class of 2023
Rank in district
#5 of 19
Schools in district
19
District spending per student
$15,858
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
11.4%
Census SAIPE · 2024
Area population (ZIP 93420)
32,016
Area average commute
22.4 min
Area median age
45.4

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.