📊 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 6 Rated Districts in Twin Falls County, ID
Sorted by rating, then state percentile
| County Rank | District | District Office | Rating | State Percentile |
|---|---|---|---|---|
| #1 | Murtaugh Joint School District 418 | Murtaugh | 10/10 Excellent | 91st |
| #2 | Kimberly School District 414 | Kimberly | 6/10 Average | 52nd |
| #3 | Filer School District 413 | Filer | 5/10 Average | 42nd |
| #4 | Hansen School District 415 | Hansen | 4/10 Below Average | 36th |
| #5 | Castleford School District 417 | Castleford | 4/10 Below Average | 35th |
| #6 | Buhl Joint School District 412 | Buhl | 2/10 Poor | 14th |
Best School Districts in Twin Falls County, Idaho (2026)
This page lists the 6 public school districts headquartered in Twin Falls 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 Twin Falls 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 Twin Falls County, Idaho? ▼
Among the 6 rated districts in Twin Falls County, Idaho, the highest-rated is Murtaugh Joint School District 418 (Murtaugh), rated 10/10 (Excellent) and in the 91st 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.