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Average

#4344 of 9,539 schools in CA

Top 46% in state

Arroyo Grande High

High School · Lucia Mar Unified · Arroyo Grande, CA

A Lucia Mar Unified high school serving grades 9th – 12th.

495 Valley Rd., Arroyo Grande, CA 93420

  • Math 32% vs CA 32% (2024)
  • Reading 64% vs CA 52% (2024)
  • 95.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress4.2Below Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data12
Annual Change-1.99 pts/yr
Data Period2009–2024
TrendDeclining
Academics7.4Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency31.9% (2024 CAASPP)
Reading/ELA Proficiency63.8% (2024 CAASPP)
Math vs. State Avg+3.9 pts
Reading vs. State Avg+7.9 pts
Overall Proficiency48% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)47% (model expectation from 2024 CAASPP)
vs. Expected+0.9 pts
Adjusted Percentile62th
College Readiness7.7Very Good30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate95%
AP Participation27.1%
IB ProgramNo
Resources & Environment7.1Very Good20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio20.4:1
District spending per student$15,858
Chronic Absenteeism27.4%

Students at Arroyo Grande High score 48% proficient, which is above what's typical for similar communities (expected: 47%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency32%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency64%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

→ Steady

Proficiency is down 19 points across the 16-year record (2009–2024) and has held near 48% recently.

Show all 12 years
2009
Math
68%
ELA
66%
2010
Math
67%
ELA
72%
2011
Math
71%
ELA
65%
2012
Math
69%
ELA
67%
2013
Math
67%
ELA
66%
2014
Math
18%
ELA
47%
2015
Math
35%
ELA
51%
2016
Math
38%
ELA
58%
2017
Math
33%
ELA
62%
2018
Math
34%
ELA
54%
2019
Math
34%
ELA
54%
2024
Math
32%
ELA
64%

Multi-year averages used by the rating model: math 46% (multi-year average, 2009-2024) · reading/ELA 61% (multi-year average, 2009-2024)

Based on 26 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

48.8%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Arroyo Grande High sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 27Car-Dependent
  • Bike 49Somewhat Bikeable
  • City Safety: Elevated968/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Arroyo Grande), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

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%

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

Programs & students

Programs & Offerings

AP/IB Programs3AP courses offered
27.1% participation·State avg: 2.6 AP courses·CRDC via Urban Institute · SY 2021–22
Athletics17sports offered
8 boys'·9 girls'·52 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Valley View Adventist Junior AcademyPrivate · tuition6.8privateK–100.7 mi72Compare →
Coastal Christian SchoolPrivate · tuition4.6privateK–122.2 mi348Compare →
Lopez Continuation HighEnrollment path unverified6.09–123.5 mi115Compare →
Pacific View AcademyEnrollment path unverified2.5K–123.5 mi135Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

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

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Lucia Mar Unified

Schools in district
19
Rank in district
#10 of 19
District spending per student
$15,858NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
11.4%Census SAIPE · 2024

Arroyo Grande High is listed in Lucia Mar Unified; a district label does not verify attendance for an address.

About Arroyo Grande High

Arroyo Grande High is a public high school in Arroyo Grande, CA, part of Lucia Mar Unified, serving approximately 1,976 students in grades 9th-12th with a 20.4:1 student-teacher ratio. It holds a MySchoolScout rating of 6.6 out of 10 and ranks #4,344 of 9,539 schools in CA. State assessment records show 46% math proficiency (multi-year average, 2009-2024) and 61% reading/ELA proficiency (multi-year average, 2009-2024).

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 ranks #4,344 of 9,539 schools in CA.

What is Arroyo Grande High's MySchoolScout rating?

Arroyo Grande High has a current MySchoolScout rating of 6.6 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 46% math proficiency (multi-year average, 2009-2024) and 61% reading/ELA proficiency (multi-year average, 2009-2024).

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 factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
1,976
Student-Teacher Ratio
20.4:1
Teachers (FTE)
97
Type
regular
Setting
Small Suburb
County
San Luis Obispo County
Chronic Absenteeism (SY 2022-23)
27.4%
4-Year Graduation
95.0%
Area population (ZIP 93420)
32,016
Area average commute
22.4 min
Area median age
45.4
About this school's data

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

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 · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 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 · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · 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, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

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