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Average

#4322 of 9,533 schools in CA

Top 45% in state

Northwest Prep Charter

School · Northwest Prep Charter District

2590 Piner Rd., Santa Rosa, CA 95401

Charter

Enrollment

153

Student-Teacher

21.9:1

Score

6.5

Grades

Kindergarten – 12th

Updated 2022-23

How this school compares

In Santa Rosa

#18 of 62

public schools

California schools

#124 of 475

Academic growth

9.5 / 10

Exceptional

About Northwest Prep Charter

Northwest Prep Charter is a charter school located in the rural outskirts of Santa Rosa, California. Serving students from kindergarten through 12th grade, the school has an enrollment of just 153 students and maintains a student-teacher ratio of 21.9:1 with seven full-time equivalent teachers. As a charter school, Northwest Prep Charter offers a unique educational experience tailored to its community's needs.

The academic performance at Northwest Prep Charter shows room for growth, with the school ranking in the 43rd percentile among California schools and a MySchoolScout rating of 4.9 out of 10. In state assessments, 34% of students are proficient or above in English Language Arts/Reading, while only 17% meet proficiency standards in math. Despite its current standing, the school is committed to supporting student development through personalized learning opportunities and strong community engagement.

Northwest Prep Charter's setting offers a peaceful rural environment that can be conducive to focused study and personal growth. Northwest Prep Charter stands as an integral part of the surrounding rural area near Santa Rosa, fostering a close-knit community where students receive individualized attention in a supportive educational atmosphere.

What Parents Should Know

With an enrollment of 153 students, Northwest Prep Charter is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

While current test scores at Northwest Prep Charter are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.

The student-teacher ratio at Northwest Prep Charter is 21.9:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.5Exceptional25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change+1.37 pts/yr
Data Period2019–2024
TrendImproving
Academics4.4Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency19.5%
Reading/ELA Proficiency33.3%
Math vs. State Avg-14.4 pts
Reading vs. State Avg-14 pts
Overall Proficiency26%
Expected (poverty-adj.)39%
vs. Expected-12.8 pts
Adjusted Percentile25th
College Readiness6.5Above Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment5.4Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio21.9:1

Northwest Prep Charter — Students at Northwest Prep Charter score 26% proficient, which is below what's typical for similar communities (expected: 39%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

62.7%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 16.8%
School
State
32.3%
ELA Proficiency 33.7%
School
State
49.1%

Based on 10 test records from CA state assessments. About our data

Proficiency Trend

↑ Improving

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

2019
Math
5%
ELA
34.5%
2024
Math
19.7%
ELA
33.4%

Source: EdFacts (NCES) and state assessment data. Growth score: 9.5/10.

How Northwest Prep Charter Compares

See how Northwest Prep Charter performs across key quality dimensions compared to state benchmarks.

Overall Score
6.5/10
55th percentile in CA
Academic
4.4/10
4.4/10
Growth
9.5/10
Above average
Environment
5.4/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
63%
Teaching Staff
22:1 student-teacher ratio
7 teachers

Location

2590 Piner Rd., Santa Rosa, CA 95401

Nearby Alternatives

Families considering Northwest Prep Charter may also want to explore other schools in the area. ANOVA CENTER FOR EDUCATION SONOMA COUNTY (rated 5.9/10, 2.3 miles away), with a comparable rating. Another option is LATTICE EDUCATIONAL SERVICES (rated 5.8/10, 1.9 miles away), with a comparable rating. Additionally, GRACE CHRISTIAN ACADEMY (rated 4.6/10, 2.6 miles away), a more accessible option. For more schools in Santa Rosa, see our Santa Rosa schools guide .

Nearby Schools

20 within 2.6 mi
School Distance Rating
Village Charter Santa Rosa 0.0 mi 6.8
Piner High Santa Rosa 0.5 mi 5.7
PAIDEIA EDUCATIONAL HERITAGE Santa Rosa 0.9 mi
Piner-Olivet Charter Santa Rosa 1.1 mi 3.9
Jack London Elementary Santa Rosa 1.1 mi 6.1
James Monroe Elementary Santa Rosa 1.3 mi 4.0
Albert F. Biella Elementary Santa Rosa 1.5 mi 5.4
Hilliard Comstock Middle Santa Rosa 1.5 mi 6.0
Morrice Schaefer Charter Santa Rosa 1.6 mi 4.7
North Valley School-Santa Rosa Santa Rosa 1.7 mi
NORTH VALLEY SCHOOL Santa Rosa 1.7 mi 5.7
COLLEGE OAK MONTESSORI SCHOOL Santa Rosa 1.9 mi
Spring Hills Christian Fulton 2.3 mi
Helen M. Lehman Elementary Santa Rosa 2.0 mi 5.6
LATTICE EDUCATIONAL SERVICES Santa Rosa 1.9 mi 5.8
Olivet Elementary Charter Santa Rosa 1.9 mi 5.4
Lattice Educational Services Santa Rosa 2.0 mi
ANOVA CENTER FOR EDUCATION SONOMA COUNTY Santa Rosa 2.3 mi 5.9
GRACE CHRISTIAN ACADEMY Santa Rosa 2.6 mi 4.6
Mark West Charter Santa Rosa 2.6 mi 5.0

Neighborhood Census ACS (2019-2023)

Census data for ZIP 95401 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$93,513

Median Home Value

$628,900

Median Rent

$1,978/mo

Population

36,842

College Educated

28.5%

Homeownership

56.5%

Avg Commute

22.5 min

Poverty Rate

12.8%

Median Age

39.9

Community Profile

The community surrounding Northwest Prep Charter has a median household income of $93,513. It is an area where 29% of adults hold a bachelor's degree or higher. The median home value in the area is $628,900, with a median rent of $1,978/month. The area has a poverty rate of 12.8%. The average commute for residents is 23 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
Buena Vista Virtual Academy Yorba Linda, CA 6.5
CCCOE Special Education Programs Antioch, CA 6.5
Chawanakee Academy Charter O'Neals, CA 6.5
Innovations Academy Rancho Cordova, CA 6.5
MUHAMMAD UNIVERSITY OF ISLAM - LOS ANGELES Los Angeles, CA 6.5
Washington High Colton, CA 6.5

Frequently Asked Questions

Common questions about Northwest Prep Charter

What grades does Northwest Prep Charter serve?

Northwest Prep Charter serves students in grades Kindergarten through 12th.

How many students attend Northwest Prep Charter?

Northwest Prep Charter has an enrollment of approximately 153 students.

What is the student-teacher ratio at Northwest Prep Charter?

The student-teacher ratio at Northwest Prep Charter is 21.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Northwest Prep Charter rank in CA?

Northwest Prep Charter is ranked #4322 out of 9,533 schools in CA.

What is Northwest Prep Charter's MySchoolScout rating?

Northwest Prep Charter has a composite rating of 6.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Northwest Prep Charter?

Based on the most recent state assessment data, Northwest Prep Charter has 16.8% math proficiency and 33.7% reading/ELA proficiency.

Is Northwest Prep Charter a charter school?

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

Is Northwest Prep Charter a Title I school?

No, Northwest Prep Charter is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Northwest Prep Charter?

62.7% of students at Northwest Prep 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

City Safety
High (1,677/100K)

FBI UCR 2024. City-level (Santa Rosa). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 12th
Enrollment
153
Student-Teacher Ratio
21.9:1
Teachers (FTE)
7
Free/Reduced Lunch
62.7%
Type
regular
Setting
Fringe Rural
County
Sonoma County
Data Year
2023–2024

District

Northwest Prep Charter District
District Enrollment
153
Schools in District
1
District Rank
#1 of 1

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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