Best High Schools in Idaho

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Find the best Idaho high schools with SchoolDigger.com! Focused on test scores for accurate rankings, our user-friendly site simplifies your search. Empower your decisions by exploring top-rated schools, only on SchoolDigger.com - the ultimate guide to K-12 schools!

Year after year, SchoolDigger is always the first to publish Idaho test scores and rankings. Other sites use stale test score data that are several years old! Be in the know with the very latest performance metrics.

The list is updated annually upon the release of the ISAT test scores by the Idaho Department of Education. The most recent update was on Tuesday, August 26, 2025.

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School														Students/Teachers											Per Pupil Expenditures (2019)							Ranking (2025 vs 2024)					ID
Rank (of 112)	School	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	# Students	Full-time Teachers	Student/ Teacher Ratio	Free/Disc Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Per Pupil Expenditures: Total	Personnel from Federal Funds	Non-Personnel from Federal Funds	Total from Federal Funds	Personnel from State and Local Funds	Non-Personnel from State and Local Funds	Total from State and Local Funds	Average Standard Score (2025)	Average Standard Score (2024)	Rank (2024)	Rank Change from 2024	SchoolDigger Rating (2025)	ID
41	Kootenai Junior/Senior High School	Public	6-12	13030 East O'Gara Road	Harrison	83833	Kootenai County	Kootenai District	No	No	(n/a)	No	(208) 689-3311	111	10	11.1	36.0%	105 (94.6%)	0 (0.0%)	4 (3.6%)	0 (0.0%)	2 (1.8%)	0 (0.0%)	0 (0.0%)	$19,682			$813			$18,869	61.5	72.9	35	6		160174000303
42	Prairie Junior/Senior High School	Public	7-12	453 Keuterville Road	Cottonwood	83522	Idaho County	Cottonwood Joint District	No	No	(n/a)	Yes	(208) 962-3901	204	14	14.6	21.6%	194 (95.1%)	1 (0.5%)	2 (1.0%)	1 (0.5%)	0 (0.0%)	0 (0.0%)	6 (2.9%)	$11,930			$900			$11,030	60.4			(n/a)		160081000161
43	Dietrich School	Public, Alternative	PK, KG-12	406 North Park Street	Dietrich	83324	Lincoln County	Dietrich District	No	No	(n/a)	Yes	(208) 544-2158	173	17	10.3	50.3%	117 (67.6%)	0 (0.0%)	53 (30.6%)	2 (1.2%)	1 (0.6%)	0 (0.0%)	0 (0.0%)	$10,869			$1,573			$9,296	59.5	78.4	26	17		160090000165
44	Pocatello High School	Public	9-12	325 North Arthur Avenue	Pocatello	83204	Bannock County	Pocatello District	No	No	(n/a)	No	(208) 233-2056	1,281	59	21.6	34.7%	1,009 (78.8%)	7 (0.5%)	184 (14.4%)	2 (0.2%)	14 (1.1%)	6 (0.5%)	59 (4.6%)	$8,094			$949			$7,146	58.7	50.5	82	38		160264000478
45	Alturas Preparatory Academy	Public, Charter	6-12	2280 East 17th Street	Idaho Falls	83404	Bonneville County	Alturas Preparatory Academy Inc	Yes	No	(n/a)	Yes	(208) 932-9440	463	28	16.6	26.8%	359 (77.5%)	4 (0.9%)	51 (11.0%)	21 (4.5%)	0 (0.0%)	1 (0.2%)	27 (5.8%)								58.5	59.1	62	17		160019901150
46	Boise Senior High School	Public	9-12	1010 West Washington Street	Boise	83702	Ada County	Boise Independent District	No	No	(n/a)	No	(208) 854-4270	1,512	82	18.4	19.2%	1,187 (78.5%)	82 (5.4%)	126 (8.3%)	30 (2.0%)	4 (0.3%)	2 (0.1%)	81 (5.4%)	$9,916			$553			$9,362	57.9	43	95	49		160036000044
47	Union High School	Public	6-12	506 Fletcher Drive	Nampa	83686	Canyon County	Nampa School District	No	No	(n/a)	No	(208) 498-0559	213	17	12.4	59.2%	111 (52.1%)	0 (0.0%)	84 (39.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	18 (8.5%)	$11,522			$2,125			$9,397	57			(n/a)		160234000762
48	Meridian High School	Public	9-12	1900 West Pine Street	Meridian	83642	Ada County	Joint School District No. 2	No	No	(n/a)	No	(208) 350-4160	1,774	94	18.8	32.2%	1,243 (70.1%)	33 (1.9%)	381 (21.5%)	29 (1.6%)	6 (0.3%)	8 (0.5%)	74 (4.2%)	$7,180			$609			$6,571	56.8	61.9	56	8		160210000372
49	Mackay Junior/Senior High School	Public	7-12	390 East Spruce Street	Mackay	83251	Custer County	Mackay Joint District	No	No	(n/a)	No	(208) 588-2262	104	8	13	40.4%	94 (90.4%)	0 (0.0%)	7 (6.7%)	0 (0.0%)	1 (1.0%)	2 (1.9%)	0 (0.0%)	$12,211			$930			$11,281	55.7			(n/a)		160190000332
50	Garden Valley School	Public, Alternative	PK, KG-12	1053 Banks Lowman Road	Garden Valley	83622	Boise County	Garden Valley District	No	No	(n/a)	Yes	(208) 462-3756	220	16	13.4	45.5%	200 (90.9%)	0 (0.0%)	12 (5.5%)	0 (0.0%)	0 (0.0%)	8 (3.6%)	0 (0.0%)	$12,986			$1,478			$11,509	55			(n/a)		160117000830

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About our rankings:

Schooldigger calculates school rankings based on ISAT Math, ISAT Science, ISAT English Language Arts test scores released by the Idaho Department of Education.
These rankings were last updated on August 26, 2025, and are based on the most recent test scores available. We update rankings as we receive new test scores from the Idaho Department of Education, usually on a yearly basis.
Our sources of data include the National Center for Education Statistics, U.S. Department of Education and the Idaho Department of Education.
For more information about our ranking process, please see our Ranking FAQ. Details about our methodology are here.

Educational resources:

Per-Pupil Spending: Understanding the Breakdown of Federal, State, and Local Funds

Student-Teacher Ratios and their Impact on Class Sizes & School Selection