📊 Data: NCES CCD 2024–2025·🔄 Updated: September 2026·Editorial standards
🏆 Rankings · State Test Data (EDFacts 2021–22)

Best School Districts
in Canyon County, ID

Canyon County has 7 rated public school districts. Ratings are percentile-ranked against every rated district in Idaho, 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 (NCES EDFacts, 2021–22 for most districts), ranked against other districts in the same state — not on spending, district size, or staffing. See full methodology →
All 7 Rated Districts in Canyon County, ID Sorted by rating, then state percentile
County RankDistrictDistrict OfficeRatingState Percentile
#1Middleton School District 134Middleton8/10  Good79th
#2Parma School District 137Parma8/10  Good75th
#3Melba Joint School District 136Melba7/10  Good63rd
#4Vallivue School District 139Caldwell7/10  Good61st
#5Notus School District 135Caldwell4/10  Below Average37th
#6Nampa School District 131Nampa1/10  Poor9th
#7Wilder School District 133Wilder1/10  Poor4th

Best School Districts in Canyon County, Idaho (2026)

This page lists the 7 public school districts headquartered in Canyon County, Idaho that have a SchoolDistrictFinder rating, scored using EDFacts 2021–22 state assessment data. The county rank is simply their order here; the state percentile compares each district with every rated district in Idaho, 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 Canyon 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 Canyon County, Idaho?
Among the 7 rated districts in Canyon County, Idaho, the highest-rated is Middleton School District 134 (Middleton), rated 8/10 (Good) and in the 79th percentile of Idaho districts on EDFacts 2021–22 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 (EDFacts 2021–22), percentile-ranked against all rated districts in Idaho and converted to a 1–10 scale. Full methodology here.
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