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
31	Lake City High School	Public	9-12	6101 Ramsey Road	Coeur D Alene	83815	Kootenai County	Coeur D'Alene District	No	No	(n/a)	No	(208) 769-0769	1,530	74	20.6	25.7%	1,280 (83.7%)	9 (0.6%)	139 (9.1%)	21 (1.4%)	5 (0.3%)	2 (0.1%)	74 (4.8%)	$7,901			$583			$7,318	72.9	67.1	48	17		160078000291
32	Xavier Charter School	Public, Charter, Alternative	K-12	1218 North College Road West	Twin Falls	83301	Twin Falls County	Xavier Charter School Inc.	Yes	No	(n/a)	Yes	(208) 734-3947	654	35	18.6	30.7%	468 (71.6%)	3 (0.5%)	143 (21.9%)	21 (3.2%)	2 (0.3%)	1 (0.2%)	16 (2.4%)	$5,824			$557			$5,266	71.7	67.2	47	15		160014000949
33	Grace Junior/Senior High School	Public	7-12	704 South Main Street	Grace	83241	Caribou County	Grace Joint District	No	No	(n/a)	No	(208) 425-3731	256	17	15.1	42.2%	234 (91.4%)	2 (0.8%)	18 (7.0%)	1 (0.4%)	1 (0.4%)	0 (0.0%)	0 (0.0%)	$9,993			$701			$9,293	70.5	74.4	33			160129000742
34	Genesee School	Public, Alternative	PK, KG-12	330 West Ash Street	Genesee	83832	Latah County	Genesee Joint District	No	No	(n/a)	Yes	(208) 285-1162	288	21	13.9	23.6%	263 (91.3%)	1 (0.3%)	18 (6.3%)	2 (0.7%)	1 (0.3%)	0 (0.0%)	3 (1.0%)	$13,943			$1,188			$12,755	69.8	88.7	13	21		160120000845
35	Rocky Mountain High School	Public	9-12	5450 North Linder Road	Meridian	83642	Ada County	Joint School District No. 2	No	No	(n/a)	No	(208) 350-4340	1,848	80	22.9	15.4%	1,511 (81.8%)	23 (1.2%)	210 (11.4%)	23 (1.2%)	3 (0.2%)	6 (0.3%)	72 (3.9%)	$6,471			$609			$5,861	69	78.2	27	8		160210000985
36	Castleford School	Public, Alternative	PK, KG-12	500 Main Street	Castleford	83321	Twin Falls County	Castleford District	No	No	(n/a)	Yes	(208) 537-6511	274	21	13	71.5%	173 (63.1%)	0 (0.0%)	101 (36.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	$9,860			$1,304			$8,556	65.5	42.5	96	60		160069000137
37	Parma High School	Public	9-12	137 Panther Way	Parma	83660	Canyon County	Parma District	No	No	(n/a)	No	(208) 722-5115	305	19	15.7	46.6%	218 (71.5%)	1 (0.3%)	81 (26.6%)	1 (0.3%)	0 (0.0%)	0 (0.0%)	4 (1.3%)	$9,393			$909			$8,484	64.1	54.9	70	33		160255000451
38	Timberline High School	Public	10-12	701 East Boise Avenue	Boise	83706	Ada County	Boise Independent District	No	No	(n/a)	No	(208) 854-6230	1,307	74	17.6	16.7%	973 (74.4%)	17 (1.3%)	130 (9.9%)	101 (7.7%)	3 (0.2%)	4 (0.3%)	79 (6.0%)	$9,873			$563			$9,310	63	78.8	25	13		160036000643
39	Vallivue High School	Public	9-12	1407 Homedale Road	Caldwell	83607	Canyon County	Vallivue School District	No	No	(n/a)	No	(208) 454-9253	1,252	69	18	47.7%	628 (50.2%)	25 (2.0%)	557 (44.5%)	5 (0.4%)	4 (0.3%)	1 (0.1%)	32 (2.6%)	$7,529			$1,066			$6,463	62.8	46.9	89	50		160060000118
40	Potlatch Junior/Senior High School	Public	7-12	130 6th Street	Potlatch	83855	Latah County	Potlatch District	No	No	(n/a)	No	(208) 875-1231	209	14	14.5	33.5%	188 (90.0%)	0 (0.0%)	12 (5.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	9 (4.3%)	$12,087			$1,090			$10,996	62.3	36	104	64		160270000495

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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:

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Understanding an IEP: The Ultimate Guide for Parents and Educators

No Child Left Behind (NCLB): A Comprehensive Analysis of Its Impact on Education