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Average

#4415 of 9,539 schools in CA

Top 46% in state

Grizzly Challenge Charter

High School · San Luis Obispo County Office of Education

721 Mendocino Ave. Camp San Luis Obispo, San Luis Obispo, CA 93405

Charter

Enrollment

225

Student-Teacher

16.1:1

Score

6.6

Grades

10th – 12th

Data vintage2022-23

How this school compares

California schools

#4,415 of 9,539

In San Luis Obispo

#12 of 13

public schools

In district

#1 of 2

San Luis Obispo County Office of Education

School environment

9.9 / 10

Excellent

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Grizzly Challenge Charter

6.6/10

High School in San Luis Obispo · grades 10th – 12th. Start here, then compare fit against nearby and district options.

San Luis Obispo County Juvenile Court

Nearby

0.6 mi away. Use as a geographic alternative in the same move search.

San Luis County Special Education

Nearby

1.0 mi away. Use as a geographic alternative in the same move search.

About Grizzly Challenge Charter

Grizzly Challenge Charter is a public high school in San Luis Obispo, CA, part of San Luis Obispo County Office of Education. Grizzly Challenge Charter serves approximately 225 students, and covers grades 10th-12th, and has a 16.1:1 student-teacher ratio. Grizzly Challenge Charter has a current MySchoolScout rating of 6.6 out of 10 and ranks #4,415 of 9,539 schools in CA.

Structured state assessment records for Grizzly Challenge Charter show 10% math proficiency (multi-year average, 2009-2024) and 19% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares0.8 pts above district
  • This school 6.6 · Average
  • District avg 5.8
  • CA avg 6.5

What Parents Should Know

Grizzly Challenge Charter is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.

Grizzly Challenge Charter sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress5.4Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-1.64 pts/yr
Data Period2009–2024
TrendDeclining
Academics2.2Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency0% (2024 CAASPP)
Reading/ELA Proficiency15.3% (2024 CAASPP)
Math vs. State Avg-28 pts
Reading vs. State Avg-40.6 pts
Overall Proficiency8% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)26% (model expectation from 2024 CAASPP)
vs. Expected-18.4 pts
Adjusted Percentile5th
College Readiness9.0Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate82%
IB ProgramNo
Resources & Environment9.9Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio16.1:1
Per-Pupil Spending$110,319
Chronic Absenteeism13.3%

Grizzly Challenge Charter — Students at Grizzly Challenge Charter score 8% proficient, which is below what's typical for similar communities (expected: 26%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

85.8%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 9.6% (multi-year average, 2009-2024)
School
State
31.8% (2024 CAASPP)
ELA Proficiency 18.5% (multi-year average, 2009-2024)
School
State
51.5% (2024 CAASPP)

Based on 30 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
24.5%
ELA
24.5%
2010
Math
10%
ELA
49.5%
2011
Math
30%
ELA
30%
2012
Math
30%
ELA
10%
2013
Math
24.5%
ELA
24.5%
2014
Math
2.5%
ELA
17%
2015
Math
2.5%
ELA
12%
2016
Math
2.5%
ELA
7.5%
2017
Math
2.5%
ELA
7.5%
2018
Math
2.5%
ELA
17%
2019
Math
2.5%
ELA
17%
2020*
Math
5%
ELA
15%
2021*
Math
5%
ELA
15%
2024
ELA
15.3%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 5.4/10.

How Grizzly Challenge Charter Compares

See how Grizzly Challenge Charter performs across key quality dimensions compared to state benchmarks.

Overall Score
6.6/10
54th percentile in CA
Academic
2.2/10
Needs Improvement
Growth
5.4/10
Average
Environment
9.9/10
Excellent
Advanced STEM
1/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
86%
Teaching Staff
16:1 student-teacher ratio
14 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
13.3%

Programs & Offerings

Advanced STEM Courses1 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

721 Mendocino Ave. Camp San Luis Obispo, San Luis Obispo, CA 93405

Nearby Alternatives

Families considering Grizzly Challenge Charter may also want to explore other high schools in the area. San Luis Obispo High (rated 7.8/10, 5.3 miles away), which scores notably higher. Another option is Pacific Beach High (rated 7.0/10, 5.4 miles away), which scores slightly higher. Additionally, MISSION COLLEGE PREP HIGH SCHOOL (rated 6.3/10, 4.7 miles away), with a very similar rating. For more schools in San Luis Obispo, see our San Luis Obispo schools guide .

Nearby Schools

20 within 5.3 mi
School Distance Rating
San Luis Obispo County Juvenile Court San Luis Obispo 0.6 mi
San Luis County Special Education San Luis Obispo 1.0 mi
San Luis Obispo County Community San Luis Obispo 1.2 mi 5.1
CHRIST CLASSICAL SCHOOL San Luis Obispo 2.9 mi 6.1
Bishop's Peak Elementary San Luis Obispo 3.1 mi 7.2
Pacheco Elementary San Luis Obispo 3.6 mi 7.4
Laguna Middle San Luis Obispo 4.6 mi 8.8
ORFALEA FAMILY & ASI CHILDREN'S CENTER RM # 133 San Luis Obispo 4.2 mi
C L Smith Elementary San Luis Obispo 4.9 mi 8.4
OLD MISSION SCHOOL San Luis Obispo 4.6 mi 4.8
Old Mission School San Luis Obispo 4.6 mi
MISSION COLLEGE PREP HIGH SCHOOL San Luis Obispo 4.7 mi 6.3
Mission College Preparatory Catholic High School San Luis Obispo 4.7 mi
Lindamood-Bell Academy San Luis Obispo 4.7 mi
Teach Elementary San Luis Obispo 4.7 mi 8.2
San Luis Obispo Classical Academy San Luis Obispo 4.7 mi
Pacific Beach High San Luis Obispo 5.4 mi 7.0
Hawthorne Elementary San Luis Obispo 5.4 mi 8.6
Los Osos Middle Los Osos 5.1 mi 8.8
San Luis Obispo High San Luis Obispo 5.3 mi 7.8

Neighborhood Census ACS (2019-2023)

Census data for ZIP 93405 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$52,481

Median Home Value

$897,800

Median Rent

$1,936/mo

Population

23,856

College Educated

52%

Homeownership

32.7%

Avg Commute

13.6 min

Poverty Rate

44.5%

Median Age

22.7

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Abraham Lincoln Continuation Riverside, CA 6.6
Animo City of Champions Charter High Los Angeles, CA 6.6
Aveson Global Leadership Academy Altadena, CA 6.6
Coast Union High Cambria, CA 6.6
Fairvalley High (Continuation) Covina, CA 6.6
Independence High Brentwood, CA 6.6

Frequently Asked Questions

Common questions about Grizzly Challenge Charter

What grades does Grizzly Challenge Charter serve?

Grizzly Challenge Charter serves students in grades 10th through 12th.

How many students attend Grizzly Challenge Charter?

Grizzly Challenge Charter has an enrollment of approximately 225 students.

What is the student-teacher ratio at Grizzly Challenge Charter?

The student-teacher ratio at Grizzly Challenge Charter is 16.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Grizzly Challenge Charter rank in CA?

Grizzly Challenge Charter ranks #4,415 of 9,539 schools in CA.

What is Grizzly Challenge Charter's MySchoolScout rating?

Grizzly Challenge Charter 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 Grizzly Challenge Charter?

Based on loaded state assessment records, Grizzly Challenge Charter has 10% math proficiency (multi-year average, 2009-2024) and 19% reading/ELA proficiency (multi-year average, 2009-2024).

Is Grizzly Challenge Charter a charter school?

Yes, Grizzly Challenge Charter is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Grizzly Challenge Charter a Title I school?

No, Grizzly Challenge Charter is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Grizzly Challenge Charter?

85.8% of students at Grizzly Challenge Charter qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
10 Car-Dependent
Bike Score
29 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
10th – 12th
Enrollment
225
Student-Teacher Ratio
16.1:1
Teachers (FTE)
14
Free/Reduced Lunch
85.8%
Type
regular
Setting
Fringe Rural
County
San Luis Obispo County
Chronic Absenteeism (SY 2022-23)
13.3%
4-Year Graduation
82.0%

District

San Luis Obispo County Office of Education
District Enrollment
334
Schools in District
4
Per-Pupil Spending
$110,319
District Rank
#1 of 2

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