Average
#4415 of 9,539 schools in CA
Top 46% in state
Grizzly Challenge Charter
High School · San Luis Obispo County Office of Education · San Luis Obispo, CA
A San Luis Obispo County Office of Education charter high school where students score 18 points below what's typical for similar communities.
721 Mendocino Ave. Camp San Luis Obispo, San Luis Obispo, CA 93405
- Math 0% vs CA 32% (2024)
- Reading 15% vs CA 52% (2024)
- 82.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Grizzly Challenge Charter score 8% proficient, which is below what's typical for similar communities (expected: 26%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
→ SteadyProficiency is down 17 points across the 16-year record (2009–2024) and has held near 8% recently.
Show all 14 years
Multi-year averages used by the rating model: math 10% (multi-year average, 2009-2024) · reading/ELA 19% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 30 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
85.8%
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 rateThe neighborhood
Where Grizzly Challenge Charter 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 10Car-Dependent
- Bike 29Somewhat Bikeable
- City Safety: High3,097/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (San Luis Obispo), 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
$52,481
Median home value
$897,800
Median rent
$1,936/mo
College educated
52%
Homeownership
32.7%
Poverty rate
44.5%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 93405; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
3 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| San Luis Obispo County Juvenile CourtEnrollment path unverified | Not rated | 6–12 | 0.6 mi | 16 | Compare → |
| San Luis County Special EducationEnrollment path unverified | Not rated | K–12 | 1.0 mi | 20 | Compare → |
| San Luis Obispo County CommunityEnrollment path unverified | 5.1 | 6–12 | 1.2 mi | 73 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
San Luis Obispo County Office of Education
- Schools in district
- 4
- Rank in district
- #1 of 2
- District spending per student
- $110,319NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- The source release did not match this district identifier.
Grizzly Challenge Charter is listed in San Luis Obispo County Office of Education; a district label does not verify attendance for an address.
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, serving approximately 225 students in grades 10th-12th with a 16.1:1 student-teacher ratio. It holds a MySchoolScout rating of 6.6 out of 10 and ranks #4,415 of 9,539 schools in CA. State assessment records show 10% math proficiency (multi-year average, 2009-2024) and 19% reading/ELA proficiency (multi-year average, 2009-2024).
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 10th – 12th
- Enrollment
- 225
- Student-Teacher Ratio
- 16.1:1
- Teachers (FTE)
- 14
- Type
- regular
- Setting
- Fringe Rural
- County
- San Luis Obispo County
- Chronic Absenteeism (SY 2022-23)
- 13.3%
- Phone
- (805) 782-6882
- 4-Year Graduation
- 82.0%
- Area population (ZIP 93405)
- 23,856
- Area average commute
- 13.6 min
- Area median age
- 22.7
Official sources & links
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 93405; 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
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