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
511	Sparta High School	Public	9-12	205 W Hood St	Sparta	62286	Randolph County	Sparta CUSD 140	No	(n/a)	No	Yes	(618) 443-4341	309	22	14	63.1%	231 (74.8%)	45 (14.6%)	9 (2.9%)	0 (0.0%)	0 (0.0%)	1 (0.3%)	20 (6.5%)	$15,695			$548			$15,147	29.1	38	412	99		173690003804
512	Bremen High School	Public	9-12	15203 Pulaski Rd	Midlothian	60445	Cook County	Bremen CHSD 228	No	(n/a)	No	Yes	(708) 371-3600	1,414	91	15.4		150 (10.6%)	288 (20.4%)	937 (66.3%)	19 (1.3%)	2 (0.1%)	0 (0.0%)	18 (1.3%)	$23,219			$704			$22,516	29	30.5	467	45		170705000364
513	Crete-Monee High School	Public	9-12	1515 W Exchange St	Crete	60417	Will County	Crete Monee CUSD 201U	No	(n/a)	No	Yes	(708) 367-8230	1,480	97	15.2	57.0%	180 (12.2%)	904 (61.1%)	310 (20.9%)	11 (0.7%)	4 (0.3%)	0 (0.0%)	71 (4.8%)	$21,406			$635			$20,771	28.9	23.2	515	2		171125001344
514	Oblong High School	Public	9-12	700 S Range St	Oblong	62449	Crawford County	Oblong CUSD 4	No	(n/a)	No	No	(618) 592-4235	165	18	9	44.8%	156 (94.5%)	0 (0.0%)	6 (3.6%)	2 (1.2%)	0 (0.0%)	0 (0.0%)	1 (0.6%)	$18,816			$2,286			$16,530	28.3	47	334	180		172942003075
515	North Clay Community High School	Public	9-12	500 Rte 45 N	Louisville	62858	Clay County	North Clay CUSD 25	No	(n/a)	No	No	(618) 665-3102	178	16	11	44.4%	169 (94.9%)	1 (0.6%)	5 (2.8%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (1.1%)	$13,803			$258			$13,545	28.2	28.2	486	29		172881003025
516	East Alton-Wood River High School	Public	9-12	777 N Wood River Ave	Wood River	62095	Madison County	East Alton-Wood River CHSD 14	No	(n/a)	No	Yes	(618) 254-3151	539	33	16.3	68.5%	418 (77.6%)	57 (10.6%)	19 (3.5%)	1 (0.2%)	0 (0.0%)	0 (0.0%)	41 (7.6%)	$18,360			$833			$17,527	28.2	37.6	417	99		171299001547
517	Belvidere High School	Public	9-12	1500 East Ave	Belvidere	61008	Boone County	Belvidere CUSD 100	No	(n/a)	No	No	(815) 547-6345	1,167	88	13.3	61.3%	437 (37.4%)	31 (2.7%)	661 (56.6%)	8 (0.7%)	2 (0.2%)	0 (0.0%)	28 (2.4%)	$19,593			$763			$18,830	27.9	25.6	507	10		170579000255
518	Elgin High School	Public	9-12	1200 Maroon Dr	Elgin	60120	Cook County	School District U-46	No	(n/a)	No	Yes	(847) 888-5100	2,576	149	17.2	63.1%	216 (8.4%)	121 (4.7%)	2,027 (78.7%)	93 (3.6%)	53 (2.1%)	0 (0.0%)	65 (2.5%)	$18,936			$1,354			$17,583	27.7	25.1	509	9		171371001674
519	Guilford High School	Public	9-12	5620 Spring Creek Rd	Rockford	61114	Winnebago County	Rockford School District 205	No	(n/a)	No	Yes	(815) 654-4870	2,216	114	19.5	58.7%	783 (35.3%)	641 (28.9%)	542 (24.5%)	72 (3.2%)	2 (0.1%)	2 (0.1%)	174 (7.9%)	$14,307			$961			$13,345	27.6	31.4	463	56		173451003577
520	Dongola High School	Public	9-12	1000 High St	Dongola	62926	Union County	Dongola Unified School District 66	No	(n/a)	No	Yes	(618) 827-3524	62	0		98.4%	58 (93.5%)	2 (3.2%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (3.2%)	$23,031			$2,450			$20,580	27.4			(n/a)		171248001502

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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:

Public School Districts and Their Services: A Comprehensive Guide

Charter Schools vs Regular Public Schools: Understanding the Key Differences

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.