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
481	Back of The Yards IB High School	Public	9-12	2111 W 47th St	Chicago	60609	Cook County	Chicago Public Schools District 299	No	(n/a)	No	Yes	(773) 535-7320	1,039	82	12.7	93.0%	9 (0.9%)	15 (1.4%)	1,005 (96.7%)	7 (0.7%)	3 (0.3%)	0 (0.0%)	0 (0.0%)	$17,467			$2,130			$15,338	35.2	38.5	402	79		170993006282
482	Calhoun High School	Public	9-12	101 Calhoun Ave	Hardin	62047	Calhoun County	Calhoun CUSD 40	No	(n/a)	No	No	(618) 576-2229	171	15	11.4	33.9%	164 (95.9%)	0 (0.0%)	4 (2.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	3 (1.8%)	$15,083			$1,226			$13,857	35.2	48	325	157		171818002089
483	Beardstown Junior/Senior High School	Public	5-12	500 E 15th St	Beardstown	62618	Cass County	Beardstown CUSD 15	No	(n/a)	No	No	(217) 323-3665	820	53	15.5	77.3%	226 (27.6%)	96 (11.7%)	452 (55.1%)	9 (1.1%)	4 (0.5%)	4 (0.5%)	29 (3.5%)	$12,716			$834			$11,882	35	17.3	577	94		170531000216
484	DeKalb High School	Public	9-12	501 W Dresser Rd	Dekalb	60115	DeKalb County	DeKalb CUSD 428	No	(n/a)	No	No	(815) 754-2100	2,134	142	15	61.3%	733 (34.3%)	508 (23.8%)	736 (34.5%)	27 (1.3%)	8 (0.4%)	2 (0.1%)	116 (5.4%)	$18,397			$1,000			$17,397	34.9	39.8	391	93		171200001449
485	Astoria High School	Public	9-12	402 N Jefferson St	Astoria	61501	Fulton County	Astoria CUSD 1	No	(n/a)	No	No	(309) 329-2156	86	12	7.3	44.2%	82 (95.3%)	0 (0.0%)	2 (2.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (2.3%)	$20,033			$1,188			$18,845	34.5	25.8	505	20		170444000130
486	Amboy High School	Public	9-12	11 E Hawley St	Amboy	61310	Lee County	Amboy CUSD 272	No	(n/a)	No	No	(815) 857-3632	229	21	11.1	38.0%	204 (89.1%)	1 (0.4%)	23 (10.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	1 (0.4%)	$19,237			$307			$18,930	34.3	39.8	392	94		170369000060
487	Elverado High School	Public	9-12	514 S 6th St	Elkville	62932	Jackson County	Elverado CUSD 196	No	(n/a)	No	Yes	(618) 568-1104	102	12	8.5	63.7%	89 (87.3%)	1 (1.0%)	7 (6.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	5 (4.9%)	$18,755			$1,158			$17,597	34.1	48.4	323	164		171386001732
488	Frankfort Community High School	Public	9-12	601 E Main St	West Frankfort	62896	Franklin County	Frankfort CUSD 168	No	(n/a)	No	No	(618) 932-3126	416	38	11	47.4%	383 (92.1%)	6 (1.4%)	11 (2.6%)	4 (1.0%)	1 (0.2%)	0 (0.0%)	11 (2.6%)	$17,504			$400			$17,104	34	41.2	383	105		174158004168
489	Ogden Intermediate High School	Public	9-12	1250 W Erie St	Chicago	60642	Cook County	Chicago Public Schools District 299	No	(n/a)	No	No	(773) 534-0866	519	104	5	66.1%	60 (11.6%)	246 (47.4%)	195 (37.6%)	8 (1.5%)	1 (0.2%)	0 (0.0%)	9 (1.7%)								33.6	32.9	453	36		170993006093
490	King College Prep High School	Public	9-12	4445 S Drexel Blvd	Chicago	60653	Cook County	Chicago Public Schools District 299	No	(n/a)	No	Yes	(773) 535-1180	819	49	16.6	82.8%	3 (0.4%)	781 (95.4%)	25 (3.1%)	3 (0.4%)	1 (0.1%)	1 (0.1%)	5 (0.6%)	$18,678			$2,216			$16,462	33.5	22.4	521	31		170993000931

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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

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

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.