Charter school — publicly funded, independently operated, open enrollment via lottery. Learn more
No Scope Score available
California doesn't publicly report per-grade test results when fewer than 11 students are tested in a grade — a privacy protection for small schools. We can't compute a Scope Score without that data.
Community Profile
Context — not part of the Scope ScoreStudent demographics
Hispanic47.8%
White26.2%
Asian7.0%
Black8.7%
Other10.3%
GenderFemale 49.5%Male 50.5%
Resources & Access
Enrollment
446
414 below CA avg (~860)
Free/Reduced Lunch
79%
15pp above CA avg (64%)
Student-Teacher Ratio
22:1
1 more students per teacher than CA avg
Per-Pupil Spending
$18,117
District avg: $15,626 · CA avg: $14,815 · School-level · CDE ESSA
Teacher Salary Range
$63,947 – $124,659
District schedule · CA median ~$98K
At Westside Preparatory Charter in Rio Linda, 47.0% of low-income students met or exceeded the ELA standard in 2025, compared to 34.9% district-wide and 38.2% statewide. Westside Preparatory Charter outperforms its district average for low-income students by 12.1 percentage points in ELA. Other subgroups: Low-Income students (31.4% Math proficient); Hispanic students (49.5% ELA proficient). The largest proficiency gap is 42.6 percentage points for disabilities students. Data source: California Department of Education, CAASPP 2024-25. 389 students tested.
Equity Gaps
ELA · Disabilities−42.6pp
8.8% vs 51.4% overall · n=44
3 more gaps by subject
ELA Exceeded · English Learner−16.1pp
0.0% vs 16.1% overall · n=74
Math · Disabilities−28.9pp
6.3% vs 35.1% overall · n=44
Math Exceeded · Disabilities−15.1pp
2.1% vs 17.2% overall · n=44
Subgroups with fewer than 15 students are excluded for privacy. Gaps of less than 3 percentage points are not shown.
Subgroup Proficiency
Low-Income389 tested
ELA 47.0%·Math 31.4%· +12.1pp vs district
Hispanic196 tested
ELA 49.5%·Math 30.6%· +13.7pp vs district
White114 tested
ELA 53.5%·Math 46.5%· +11.1pp vs district
Weighted average across tested grades. Subgroups with fewer than 15 students excluded. Data: CDE CAASPP 2024-25.
Subgroup Growth by Grade
Change in proficiency from lowest tested grade. Shows which groups are gaining ground.
Subgroups with fewer than 10 tested students per grade are not shown.
Funding Breakdown
Neighborhood Context
Median Income
$89K
$4K above CA median
Median Home Value
$391K
$268K below CA median
Bachelor's+
14%
21pp below CA avg
Whole Child
Teacher experience, college/career readiness, and more. Context only — never part of the Scope Score.
Teacher Experience
22.0 years avg experience
29 teachers
Teacher Credentials
100% fully credentialed
Source: CDE SARC, 2024-25
Community Profile provides context about who attends this school and the resources available. These factors are never part of the Scope Score. Learn why →
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Report a data issueData source: California Department of Education (2025 test year) · How we score · Explore all schools · Blog