Average
#5860 of 9,539 schools in CA
Lassen High
High School · Lassen Union High
1110 Main St., Susanville, CA 96130
Enrollment
805
Student-Teacher
20.1:1
Score
5.8
Grades
9th – 12th
Enrollment
805
Student-Teacher
20.1:1
Score
5.8
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#5,860 of 9,539
In Susanville
#4 of 7
public schools
School environment
7.6 / 10
Very Good
Shortlisting around Lassen High?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Lassen High
High School in Susanville · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Lassen Community Day
0.1 mi away. Use as a geographic alternative in the same move search.
Credence High
0.2 mi away. Use as a geographic alternative in the same move search.
About Lassen High
Lassen High is a public high school in Susanville, CA, part of Lassen Union High. Lassen High serves approximately 805 students, and covers grades 9th-12th, and has a 20.1:1 student-teacher ratio. Lassen High has a current MySchoolScout rating of 5.8 out of 10 and ranks #5,860 of 9,539 schools in CA.
Structured state assessment records for Lassen High show 35% math proficiency (multi-year average, 2009-2024) and 56% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 5.8 · Average
- CA avg 6.5
What Parents Should Know
Lassen High runs 20.1:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Lassen High — Students at Lassen High score 34% proficient, which is below what's typical for similar communities (expected: 54%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
36.9%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 30 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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: 4.1/10.
How Lassen High Compares
See how Lassen High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
1110 Main St., Susanville, CA 96130
Nearby Alternatives
Families considering Lassen High may also want to explore other high schools in the area. Westwood High (rated 8.7/10, 20.2 miles away, in nearby Westwood), which scores notably higher. Another option is Thompson Peak Charter (rated 7.8/10, 1.0 miles away), which scores notably higher. Additionally, Fletcher Walker Elementary (rated 6.8/10, 20.2 miles away, in nearby Westwood), which scores slightly higher. For more schools in Susanville, see our Susanville schools guide .
Nearby Schools
20 within 30.1 mi| School | Distance | Rating |
|---|---|---|
| Lassen Community Day Susanville | 0.1 mi | — |
| Credence High Susanville | 0.2 mi | — |
| SUSANVILLE ADVENTIST CHRISTIAN SCHOOL Susanville | 0.4 mi | — |
| Susanville Adventist Christian School Susanville | 0.4 mi | — |
| Diamond View Middle Susanville | 0.7 mi | 4.5 |
| McKinley Elementary Susanville | 0.7 mi | 6.1 |
| Thompson Peak Charter Susanville | 1.0 mi | 7.8 |
| Meadow View Susanville | 1.3 mi | 3.5 |
| Richmond Elementary Susanville | 3.2 mi | 6.6 |
| Johnstonville Elementary Susanville | 4.2 mi | 5.6 |
| Lassen County Special Education Susanville | 4.8 mi | — |
| McNutt Academy Janesvile | 9.7 mi | — |
| Janesville Elementary Janesville | 10.2 mi | 4.2 |
| DIAMOND VIEW MENNONITE CHRISTIAN DAY SCHOOL Standish | 13.0 mi | — |
| Shaffer Elementary Litchfield | 14.6 mi | 6.7 |
| Fletcher Walker Elementary Westwood | 20.2 mi | 6.8 |
| Westwood High Westwood | 20.2 mi | 8.7 |
| Greenville Elementary Greenville | 24.4 mi | 3.9 |
| Greenville High Greenville | 24.4 mi | — |
| Juniper Ridge Elementary Susanville | 30.1 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 96130 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$71,125
Median Home Value
$258,400
Median Rent
$982/mo
Population
20,892
College Educated
12.3%
Homeownership
65.3%
Poverty Rate
13.2%
Median Age
35.9
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| California City High California City, CA | 5.8 |
| Impact Academy of Arts & Technology Oakland, CA | 5.8 |
| Pomona High Pomona, CA | 5.8 |
| ST JOSEPH HIGH SCHOOL Santa Maria, CA | 5.8 |
| Samueli Academy Santa Ana, CA | 5.8 |
| Santa Ynez Valley Union High Solvang, CA | 5.8 |
Frequently Asked Questions
Common questions about Lassen High
What grades does Lassen High serve?
Lassen High serves students in grades 9th through 12th.
How many students attend Lassen High?
Lassen High has an enrollment of approximately 805 students.
What is the student-teacher ratio at Lassen High?
The student-teacher ratio at Lassen High is 20.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Lassen High rank in CA?
Lassen High ranks #5,860 of 9,539 schools in CA.
What is Lassen High's MySchoolScout rating?
Lassen High has a current MySchoolScout rating of 5.8 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 Lassen High?
Based on loaded state assessment records, Lassen High has 35% math proficiency (multi-year average, 2009-2024) and 56% reading/ELA proficiency (multi-year average, 2009-2024).
Is Lassen High a charter school?
No, Lassen High is not a charter school. It is a traditional public school operated by the local school district.
Is Lassen High a Title I school?
No, Lassen High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Lassen High?
36.9% of students at Lassen 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.
Explore More Schools
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 805
- Student-Teacher Ratio
- 20.1:1
- Teachers (FTE)
- 40
- Free/Reduced Lunch
- 36.9%
- Type
- regular
- Setting
- Remote Town
- County
- Lassen County
- Chronic Absenteeism (SY 2022-23)
- 21.6%
- Phone
- (530) 257-2141
- 4-Year Graduation
- 95%+
Resources & Links
District
Lassen Union High- District Enrollment
- 845
- Schools in District
- 3
- Per-Pupil Spending
- $15,065
- District Rank
- #1 of 1
Other Schools in This District
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 rateRelated reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.