📊 Data: NCES CCD 2024–2025·🔄 Updated: September 2026·Editorial standards
🏆 Rankings · State Test Data (CAASPP 2023–24)

Best School Districts
in Lake County, CA

Lake County has 6 rated public school districts. Ratings are percentile-ranked against every rated district in California, not just this county.

📊 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 6 Rated Districts in Lake County, CA Sorted by rating, then state percentile
County RankDistrictDistrict OfficeRatingState Percentile
#1Middletown Unified School DistrictMiddletown5/10  Average49th
#2Lucerne Elementary School DistrictLucerne3/10  Below Average29th
#3Upper Lake Unified School DistrictUpper Lake1/10  Poor9th
#4Kelseyville Unified School DistrictKelseyville1/10  Poor8th
#5Lakeport Unified School DistrictLakeport1/10  Poor8th
#6Konocti Unified School DistrictLower Lake1/10  Poor5th

Best School Districts in Lake County, California (2026)

This page lists the 6 public school districts headquartered in Lake 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 Lake 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 Lake County, California?
Among the 6 rated districts in Lake County, California, the highest-rated is Middletown Unified School District (Middletown), rated 5/10 (Average) and in the 49th 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.