📊 What this ranking measures
Rankings are based on academic achievement — the share of students scoring proficient or above on state reading and math assessments (CAASPP 2023–24), ranked against other districts in the same state — not on spending, district size, or staffing. See full methodology →
All 9 Rated Districts in Lassen County, CA
Sorted by rating, then state percentile
| County Rank | District | District Office | Rating | State Percentile |
|---|---|---|---|---|
| #1 | Richmond Elementary School District | Susanville | 7/10 Good | 67th |
| #2 | Shaffer Union Elementary School District | Litchfield | 5/10 Average | 44th |
| #3 | Lassen Union High School District | Susanville | 4/10 Below Average | 39th |
| #4 | Janesville Union Elementary School District | Janesville | 4/10 Below Average | 37th |
| #5 | Johnstonville Elementary School District | Susanville | 4/10 Below Average | 35th |
| #6 | Susanville Elementary School District | Susanville | 4/10 Below Average | 31st |
| #7 | Westwood Unified School District | Westwood | 3/10 Below Average | 26th |
| #8 | Big Valley Joint Unified School District | Bieber | 2/10 Poor | 17th |
| #9 | Fort Sage Unified School District | Herlong | 1/10 Poor | 8th |
Best School Districts in Lassen County, California (2026)
This page lists the 9 public school districts headquartered in Lassen County, California that have a SchoolDistrictFinder rating, scored using CAASPP 2023–24 state assessment data. The county rank is simply their order here; the state percentile compares each district with every rated district in California, which is how the 1–10 rating is set. Ratings are not comparable with districts in other states.
Districts are placed in the county of their NCES directory listing. A district's boundaries can cross county lines, and a home in Lassen County may be served by a district headquartered next door — search your address or zip code to confirm.
Frequently Asked Questions
What is the best-rated school district in Lassen County, California? ▼
Among the 9 rated districts in Lassen County, California, the highest-rated is Richmond Elementary School District (Susanville), rated 7/10 (Good) and in the 67th percentile of California districts on CAASPP 2023–24 reading and math proficiency.
How are these rankings calculated? ▼
Each district's rating comes from the share of its students scoring proficient or above on state reading and math assessments (CAASPP 2023–24), percentile-ranked against all rated districts in California and converted to a 1–10 scale. Full methodology here.