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
221	Elk Grove High School	Public	9-12	500 W Elk Grove Blvd	Elk Grove Village	60007	Cook County	Township HSD 214	No	(n/a)	No	Yes	(847) 718-4400	1,906	119	16		696 (36.5%)	38 (2.0%)	944 (49.5%)	159 (8.3%)	1 (0.1%)	4 (0.2%)	60 (3.1%)	$27,213			$842			$26,371	63.6	58.7	232	11		170417000111
222	Palatine High School	Public	9-12	1111 N Rohlwing Rd	Palatine	60074	Cook County	Township HSD 211	No	(n/a)	No	Yes	(847) 755-1610	2,535	182	13.8	62.0%	797 (31.4%)	150 (5.9%)	1,309 (51.6%)	180 (7.1%)	2 (0.1%)	1 (0.0%)	92 (3.6%)	$27,557			$1,748			$25,810	63.5	66.1	186	36		173045003166
223	East Dubuque High School	Public	9-12	200 Parklane Dr	East Dubuque	61025	Jo Daviess County	East Dubuque Unified School District 119	No	(n/a)	No	No	(815) 747-3188	180	21	8.5	30.0%	162 (90.0%)	3 (1.7%)	8 (4.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	7 (3.9%)	$16,278			$546			$15,732	63.5	56.5	246	23		171305001550
224	McHenry Community High School	Public	9-12	1012 N Green St	Mchenry	60050	McHenry County	McHenry CHSD 156	No	(n/a)	No	(n/a)	(815) 759-5514	2,214	144	15.4	37.7%	1,502 (67.8%)	28 (1.3%)	602 (27.2%)	20 (0.9%)	10 (0.5%)	2 (0.1%)	49 (2.2%)	$18,474			$429			$18,045	63.5	55.8	253	29		172532006833
225	Stark County High School	Public	9-12	418 S Franklin St	Toulon	61483	Stark County	Stark County CUSD 100	No	(n/a)	No	No	(309) 286-4451	230	17	13.9	43.5%	211 (91.7%)	5 (2.2%)	10 (4.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	4 (1.7%)	$16,866			$487			$16,378	63.4	59.7	224	1		173749003979
226	Alden-Hebron High School	Public	9-12	9604 Illinois St	Hebron	60034	McHenry County	Alden Hebron School District 19	No	(n/a)	No	Yes	(815) 648-2442	112	13	8.7	44.6%	75 (67.0%)	0 (0.0%)	37 (33.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	$19,841			$902			$18,939	62.8	71.1	160	66		170330000017
227	Il Valley Central High School	Public	9-12	1300 W Sycamore St	Chillicothe	61523	Peoria County	Il Valley Central Unified School District 321	No	(n/a)	No	Yes	(309) 274-5481	650	44	14.7	44.2%	583 (89.7%)	7 (1.1%)	23 (3.5%)	7 (1.1%)	1 (0.2%)	1 (0.2%)	28 (4.3%)	$12,832			$249			$12,583	62.5	63.8	200	27		171997002256
228	Genoa-Kingston High School	Public	9-12	980 Park Ave	Genoa	60135	DeKalb County	Genoa Kingston CUSD 424	No	(n/a)	No	No	(815) 784-5111	485	35	13.8	39.4%	345 (71.1%)	5 (1.0%)	119 (24.5%)	8 (1.6%)	0 (0.0%)	0 (0.0%)	8 (1.6%)	$15,726			$228			$15,498	62.4	37.8	414	186		171641001960
229	Gardner-South Wilmington Township High School	Public	9-12	500 E Main St	Gardner	60424	Grundy County	Gardner S Wilmington Township HSD 73	No	(n/a)	No	Yes	(815) 237-2176	154	18	8.5	29.9%	143 (92.9%)	1 (0.6%)	10 (6.5%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	$28,695			$484			$28,210	62.3	54	271	42		171626001942
230	Pearl City High School	Public	9-12	100 S Summit St	Pearl City	61062	Stephenson County	Pearl City CUSD 200	No	(n/a)	No	No	(815) 443-2715	147	13	11.7	30.6%	130 (88.4%)	3 (2.0%)	10 (6.8%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	4 (2.7%)	$17,454			$445			$17,009	62.3	94	50	180		173102003227

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New! SchoolDigger ranking lists for IL student subgroups:

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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:

Every Student Succeeds Act (ESSA): Transforming Education in America

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Virtual Schools: The Future of Online 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.