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#7360 of 9,533 schools in CA

Six Rivers Charter High

High School · Northern Humboldt Union High

1720 M St., Arcata, CA 95521

Charter

Enrollment

106

Student-Teacher

21.2:1

Score

5.1

Grades

9th – 12th

Updated 2022-23

How this school compares

In Arcata

#10 of 11

public schools

California high schools

#1,573 of 1,892

In district

#5 of 5

Northern Humboldt Union High

Equity

7.3 / 10

Strong

About Six Rivers Charter High

Six Rivers Charter High serves 106 students in grades 9-12 in Arcata, California, with a student-teacher ratio of 21.2:1 and 5 full-time equivalent teachers. This charter school has earned a solid 7.2 out of 10 rating from MySchoolScout and ranks in the 76th percentile statewide, placing #2313 out of 9566 California schools. The school demonstrates strong performance in English Language Arts, with 70% of students achieving proficiency or above across grade levels.

Mathematics presents an area with room for growth, with 33% of students meeting proficiency standards. These results contribute to the school's overall academic score of 7.7 out of 10. Six Rivers Charter High draws from a diverse community where 46% of residents hold bachelor's degrees or higher, reflecting the area's educational values.

The surrounding ZIP code has a median household income of $47,764 and a median home value of $441,900, with about one-third of the population facing economic challenges. As a charter school in Humboldt County, Six Rivers offers families an alternative educational approach in the scenic coastal region of Northern California. The school operates in Arcata's remote town setting, providing students with a close-knit learning environment away from urban distractions.

What Parents Should Know

With an enrollment of 106 students, Six Rivers Charter High 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.

The student-teacher ratio at Six Rivers Charter High is 21.2:1, 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.

Six Rivers Charter High is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress5.1Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-1.43 pts/yr
Data Period2019–2024
TrendDeclining
Academics7.0Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency33.3%
Reading/ELA Proficiency70.4%
Math vs. State Avg+5.3 pts
Reading vs. State Avg+14.5 pts
Overall Proficiency52%
Expected (poverty-adj.)58%
vs. Expected-6.3 pts
Adjusted Percentile57th
College Readiness2.4Needs Improvement30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation4.7%
IB ProgramNo
Resources & Environment6.9Above Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio21.2:1
Per-Pupil Spending$15,321

Six Rivers Charter High — Students at Six Rivers Charter High score 52% proficient, which is below what's typical for similar communities (expected: 58%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

30.2%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 35.3%
School
State
31.8%
ELA Proficiency 71.3%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

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

2019
Math
49.5%
ELA
69.5%
2021*
Math
25%
ELA
75%
2024
Math
33.3%
ELA
70.4%

* 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: 5.1/10.

How Six Rivers Charter High Compares

See how Six Rivers Charter High performs across key quality dimensions compared to state benchmarks.

Overall Score
5.1/10
23th percentile in CA
Academic
7.0/10
7.0/10
Growth
5.1/10
Above average
Environment
6.9/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
30%
Teaching Staff
21:1 student-teacher ratio
5 teachers

Location

1720 M St., Arcata, CA 95521

Nearby Alternatives

Families considering Six Rivers Charter High may also want to explore other high schools in the area. Northcoast Preparatory and Performing Arts Academy (rated 7.3/10, 0.5 miles away), which scores notably higher. Another option is Pacific Coast High (Continuation) (rated 7.0/10), which scores notably higher. Additionally, Arcata High (rated 5.8/10), which scores slightly higher. For more schools in Arcata, see our Arcata schools guide .

Nearby Schools

20 within 5.2 mi
School Distance Rating
Arcata High Arcata 0.0 mi 5.8
Pacific Coast High (Continuation) Arcata 0.0 mi 7.0
Arcata Elementary Arcata 0.5 mi 5.1
Northcoast Preparatory and Performing Arts Academy Arcata 0.5 mi 7.3
Coastal Grove Charter Arcata 0.5 mi 8.0
MAD RIVER MONTESSORI Arcata 0.6 mi
Fuente Nueva Charter Arcata 0.6 mi 5.0
ARCATA CHRISTIAN SCHOOL Arcata 0.7 mi 4.3
Union Street Charter Arcata 1.1 mi 9.5
Pacific Union Elementary Arcata 1.3 mi 7.0
Laurel Tree Charter Arcata 1.6 mi 6.9
SIX RIVERS MONTESSORI Arcata 1.8 mi
Sunny Brae Middle Arcata 1.7 mi 5.6
Jacoby Creek Bayside 2.3 mi 7.5
MISTWOOD EDUCATIONAL CENTER Bayside 2.7 mi
Mistwood Educational Center Bayside 2.7 mi
HUMBOLDT BAY CHRISTIAN SCHOOL Bayside 3.4 mi
Seaforth Montessori Mckinleyville 4.6 mi
McKinleyville Middle Mckinleyville 4.9 mi 5.4
Morris Elementary Mckinleyville 5.2 mi 6.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 95521 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$54,324

Median Home Value

$478,600

Median Rent

$1,300/mo

Population

21,684

College Educated

45%

Homeownership

36.7%

Avg Commute

18.3 min

Poverty Rate

26.7%

Median Age

29.2

Community Profile

The community surrounding Six Rivers Charter High has a median household income of $54,324. It is a well-educated community where 45% of adults hold a bachelor's degree or higher. The median home value in the area is $478,600, with a median rent of $1,300/month. The area has a poverty rate of 26.7%, indicating some economic challenges in the community. Residents enjoy a short average commute of 18 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
Estrellita Continuation High Galt, CA 5.1
Evergreen Continuation Sylmar, CA 5.1
Folsom Lake High Folsom, CA 5.1
Kinney High (Continuation) Rancho Cordova, CA 5.1
Metropolitan Continuation Los Angeles, CA 5.1
Point Arena High Point Arena, CA 5.1

Frequently Asked Questions

Common questions about Six Rivers Charter High

What grades does Six Rivers Charter High serve?

Six Rivers Charter High serves students in grades 9th through 12th.

How many students attend Six Rivers Charter High?

Six Rivers Charter High has an enrollment of approximately 106 students.

What is the student-teacher ratio at Six Rivers Charter High?

The student-teacher ratio at Six Rivers Charter High is 21.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Six Rivers Charter High rank in CA?

Six Rivers Charter High is ranked #7360 out of 9,533 schools in CA.

What is Six Rivers Charter High's MySchoolScout rating?

Six Rivers Charter High has a composite rating of 5.1 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 Six Rivers Charter High?

Based on the most recent state assessment data, Six Rivers Charter High has 35.3% math proficiency and 71.3% reading/ELA proficiency.

Is Six Rivers Charter High a charter school?

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

Is Six Rivers Charter High a Title I school?

No, Six Rivers Charter High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Six Rivers Charter High?

30.2% of students at Six Rivers Charter 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.

11 schools nearby View map →

Neighborhood Context

City Safety
High (2,282/100K)

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

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
106
Student-Teacher Ratio
21.2:1
Teachers (FTE)
5
Free/Reduced Lunch
30.2%
Type
regular
Setting
Remote Town
County
Humboldt County
Data Year
2023–2024

District

Northern Humboldt Union High
District Enrollment
1,756
Schools in District
5
Per-Pupil Spending
$17,026
District Rank
#5 of 5

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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