Best High Schools in Illinois

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Find the best Illinois 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 Illinois 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 PreACT Secure and ACT test scores by the Illinois State Board of Education. The most recent update was on Thursday, October 30, 2025.

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School														Students/Teachers											Per Pupil Expenditures (2025)							Ranking (2025 vs 2024)					ID
Rank (of 698)	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
431	Morrisonville High School	Public	9-12	204 N Perrine St	Morrisonville	62546	Christian County	Morrisonville CUSD 1	No	(n/a)	No	No	(217) 707-6880	85	8	10.1	31.8%	79 (92.9%)	0 (0.0%)	2 (2.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	4 (4.7%)	$18,567			$00			$18,567	40.9	28.4	485	54		172676002858
432	Seymour High School	Public	7-12	420 W Brainard St	Payson	62360	Adams County	Payson CUSD 1	No	(n/a)	No	No	(217) 656-3355	216	19	11.1	49.1%	198 (91.7%)	4 (1.9%)	2 (0.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	12 (5.6%)	$14,218			$481			$13,737	40.9	39	398	34		173099003226
433	Griggsville-Perry High School	Public	9-12	202 N Stanford St	Griggsville	62340	Pike County	Griggsville-Perry CUSD 4	No	(n/a)	No	Yes	(217) 833-2352	89	8	10.7	42.7%	85 (95.5%)	2 (2.2%)	1 (1.1%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (1.1%)	$20,585			$831			$19,754	40.6	14.8	600	167		171779002073
434	Auburn High School	Public	9-12	5110 Auburn St	Rockford	61101	Winnebago County	Rockford School District 205	No	(n/a)	No	Yes	(815) 966-3300	1,957	102	19.2	67.1%	506 (25.9%)	840 (42.9%)	377 (19.3%)	75 (3.8%)	4 (0.2%)	2 (0.1%)	153 (7.8%)	$15,833			$1,093			$14,740	40.6	50.3	307	127		173451003599
435	Palestine High School	Public	9-12	102 N Main St	Palestine	62451	Crawford County	Palestine CUSD 3	No	(n/a)	No	No	(618) 586-2712	80	9	8.8	45.0%	80 (100.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	$16,716			$1,896			$14,820	40.5	57.8	239	196		173048003170
436	Greenfield High School	Public	9-12	502 East St	Greenfield	62044	Greene County	Greenfield CUSD 10	No	(n/a)	No	No	(217) 368-2219	108	15	7.2	35.2%	108 (100.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	$16,598			$425			$16,173	40.4	26.9	499	63		171767002064
437	Coulterville High School	Public	9-12	101 W Grant St	Coulterville	62237	Randolph County	Coulterville Unified School District 1	No	(n/a)	No	Yes	(618) 758-2881	64	6	10.1	64.1%	57 (89.1%)	2 (3.1%)	1 (1.6%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	4 (6.3%)	$14,730			$941			$13,789	40.3	26.3	503	66		171098001330
438	Rickover Naval Academy High School	Public	9-12	5700 W Berteau Ave	Chicago	60634	Cook County	Chicago Public Schools District 299	No	(n/a)	No	Yes	(773) 534-2890	527	33	15.8	64.7%	84 (15.9%)	12 (2.3%)	412 (78.2%)	9 (1.7%)	0 (0.0%)	1 (0.2%)	9 (1.7%)	$19,927			$2,069			$17,858	40.2	28.9	479	41		170993005078
439	Limestone Community High School	Public	9-12	4201 Airport Rd	Peoria	61607	Peoria County	Limestone CHSD 310	No	(n/a)	No	Yes	(309) 697-6271	898	68	13.2	49.8%	647 (72.0%)	105 (11.7%)	56 (6.2%)	7 (0.8%)	1 (0.1%)	0 (0.0%)	79 (8.8%)	$18,972			$863			$18,109	40.2	47.9	326	113		172295002535
440	Dixon High School	Public	9-12	300 Lincoln Statue Dr	Dixon	61021	Lee County	Dixon Unified School District 170	No	(n/a)	No	No	(815) 453-4966	760	44	17.2	44.2%	624 (82.1%)	19 (2.5%)	42 (5.5%)	8 (1.1%)	1 (0.1%)	0 (0.0%)	66 (8.7%)	$17,385			$683			$16,702	40.2	44.4	360	80		171233001481

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About our rankings:

Schooldigger calculates school rankings based on PreACT Secure English Language Arts, PreACT Secure Mathematics, PreACT Secure Science, ACT English Language Arts, ACT Mathematics, ACT Science test scores released by the Illinois State Board of Education.
These rankings were last updated on October 30, 2025, and are based on the most recent test scores available. We update rankings as we receive new test scores from the Illinois State Board 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 Illinois State Board 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

State-Administered Standardized Tests: A Comprehensive Guide

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Illinois Department of Public Health and the Illinois State Board of Education.