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
131	Edwards County High School	Public	9-12	361 W Main St	Albion	62806	Edwards County	Edwards County CUSD 1	No	(n/a)	No	No	(618) 445-2325	223	21	10.7	41.3%	209 (93.7%)	0 (0.0%)	6 (2.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	8 (3.6%)	$14,749			$1,093			$13,655	76.3	39.5	395	264		171350001636
132	Amos Alonzo Stagg High School	Public	9-12	8015 W 111th St	Palos Hills	60465	Cook County	Cons HSD 230	No	(n/a)	No	Yes	(708) 974-7400	2,560	174	14.7		1,771 (69.2%)	103 (4.0%)	553 (21.6%)	89 (3.5%)	5 (0.2%)	3 (0.1%)	35 (1.4%)	$22,229			$776			$21,453	76.3	69.4	163	31		170840000458
133	Lockport Township High School East	Public	9-12	1333 E 7th St	Lockport	60441	Will County	Lockport Township HSD 205	No	(n/a)	No	Yes	(815) 588-8300	3,678	224	16.4		2,354 (64.0%)	224 (6.1%)	891 (24.2%)	66 (1.8%)	4 (0.1%)	2 (0.1%)	137 (3.7%)	$19,395			$614			$18,780	76.2	82.6	104	29		172335002571
134	Kenwood Academy High School	Public	7-12	5015 S Blackstone Ave	Chicago	60615	Cook County	Chicago Public Schools District 299	No	(n/a)	No	Yes	(773) 535-1350	2,268	130	17.4	53.8%	144 (6.3%)	1,868 (82.4%)	158 (7.0%)	36 (1.6%)	2 (0.1%)	3 (0.1%)	56 (2.5%)	$15,280			$1,644			$13,636	76.1	58.5	233	99		170993000925
135	Marengo High School	Public	9-12	110 Franks Rd	Marengo	60152	McHenry County	Marengo CHSD 154	No	(n/a)	No	Yes	(815) 568-6511	685	47	14.4	31.7%	461 (67.3%)	7 (1.0%)	198 (28.9%)	2 (0.3%)	1 (0.1%)	0 (0.0%)	16 (2.3%)	$23,948			$524			$23,424	75.9	55.1	259	124		172457002661
136	Crystal Lake Central High School	Public	9-12	45 W Franklin Ave	Crystal Lake	60014	McHenry County	Chsd 155	No	(n/a)	No	Yes	(815) 459-2505	1,443	85	16.9	35.3%	926 (64.2%)	28 (1.9%)	403 (27.9%)	42 (2.9%)	3 (0.2%)	2 (0.1%)	39 (2.7%)	$20,307			$390			$19,916	75.9	79	116	20		171137001367
137	Mt Zion High School	Public	9-12	305 S Henderson St	Mount Zion	62549	Macon County	Mt Zion CUSD 3	No	(n/a)	No	No	(217) 864-2363	762	44	17.3	21.8%	682 (89.5%)	13 (1.7%)	18 (2.4%)	17 (2.2%)	2 (0.3%)	1 (0.1%)	29 (3.8%)	$12,219			$436			$11,783	75.7	73.6	144	7		172739002908
138	Maine West High School	Public	9-12	1755 S Wolf Rd	Des Plaines	60018	Cook County	Maine Township HSD 207	No	(n/a)	No	Yes	(847) 827-6176	1,857	123	15		693 (37.3%)	59 (3.2%)	826 (44.5%)	210 (11.3%)	4 (0.2%)	2 (0.1%)	63 (3.4%)	$26,184			$813			$25,372	75.7	61.4	214	76		172409005032
139	Elmwood High School	Public	9-12	301 W Butternut St	Elmwood	61529	Peoria County	Elmwood CUSD 322	No	(n/a)	No	No	(309) 742-2851	208	21	10.1	27.9%	190 (91.3%)	5 (2.4%)	4 (1.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	8 (3.8%)	$15,189			$488			$14,701	75.6	67.5	176	37		171405001758
140	Galena High School	Public	9-12	1206 Franklin St	Galena	61036	Jo Daviess County	Galena Unified School District 120	No	(n/a)	No	No	(815) 777-0917	260	22	11.6	35.0%	197 (75.8%)	5 (1.9%)	50 (19.2%)	7 (2.7%)	0 (0.0%)	0 (0.0%)	1 (0.4%)	$19,246			$452			$18,794	75.5	76.3	134	6		171605001912

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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:

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

High school students working on a science experiment

Magnet Schools: Unleashing the Power of Education

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.