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
151	Bement High School	Public	9-12	201 S Champaign St	Bement	61813	Piatt County	Bement CUSD 5	No	(n/a)	No	No	(217) 678-4200	85	8	10	41.2%	72 (84.7%)	1 (1.2%)	4 (4.7%)	1 (1.2%)	0 (0.0%)	0 (0.0%)	7 (8.2%)	$25,153			$1,229			$23,924	73.5	58.2	237	86		170582000263
152	Paxton-Buckley-Loda High School	Public	9-12	700 Panther Way	Paxton	60957	Ford County	Paxton-Buckley-Loda CUD 10	No	(n/a)	No	No	(217) 379-4331	378	34	11.1	44.4%	324 (85.7%)	3 (0.8%)	33 (8.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	18 (4.8%)	$18,107			$1,241			$16,866	73.3	84.5	94	58		170765005478
153	Mundelein Cons High School	Public	9-12	1350 W Hawley St	Mundelein	60060	Lake County	Mundelein Cons HSD 120	No	(n/a)	No	Yes	(847) 949-2700	2,282	144	15.8		861 (37.7%)	58 (2.5%)	1,133 (49.6%)	86 (3.8%)	0 (0.0%)	1 (0.0%)	143 (6.3%)	$21,312			$488			$20,824	73.1	71.8	157	4		172757002919
154	Grayslake North High School	Public	9-12	1925 N IL Route 83	Grayslake	60030	Lake County	Grayslake CHSD 127	No	(n/a)	No	Yes	(847) 986-3100	1,208	97	12.5		578 (47.8%)	79 (6.5%)	441 (36.5%)	49 (4.1%)	6 (0.5%)	0 (0.0%)	48 (4.0%)	$26,914			$504			$26,410	72.9	85.1	88	66		171755005623
155	Harry D Jacobs High School	Public	9-12	2601 Bunker Hill Dr	Algonquin	60102	McHenry County	Cusd 300	No	(n/a)	No	No	(847) 532-6100	2,056	141	14.6	40.3%	1,163 (56.6%)	90 (4.4%)	536 (26.1%)	162 (7.9%)	6 (0.3%)	4 (0.2%)	93 (4.5%)	$17,663			$422			$17,241	72.9	66.3	184	29		170855000486
156	Oswego High School	Public	9-12	4250 State Route 71	Oswego	60543	Kendall County	Cusd 308	No	(n/a)	No	Yes	(630) 636-2000	2,870	182	15.8	30.5%	1,399 (48.7%)	324 (11.3%)	899 (31.3%)	107 (3.7%)	5 (0.2%)	1 (0.0%)	130 (4.5%)	$16,076			$525			$15,551	72.7	53.7	276	120		173027003132
157	Cerro Gordo Junior and Senior High School	Public	6-12	300 E Durfee St	Cerro Gordo	61818	Piatt County	Cerro Gordo CUSD 100	No	(n/a)	No	No	(217) 763-2711	228	20	11.2	41.2%	208 (91.2%)	4 (1.8%)	14 (6.1%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (0.9%)	$13,430			$727			$12,703	72.5	43.6	366	209		170933000540
158	Mount Pulaski High School	Public	9-12	206 S Spring St	Mount Pulaski	62548	Logan County	Mt Pulaski CUSD 23	No	(n/a)	No	No	(217) 792-3209	178	19	9.5	41.6%	170 (95.5%)	2 (1.1%)	4 (2.2%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (1.1%)	$20,491			$485			$20,006	72.2	38.1	409	251		172729002892
159	Wauconda High School	Public	9-12	555 N Main St	Wauconda	60084	Lake County	Wauconda CUSD 118	No	(n/a)	No	Yes	(847) 526-6611	1,452	100	14.4	35.5%	848 (58.4%)	33 (2.3%)	484 (33.3%)	45 (3.1%)	1 (0.1%)	1 (0.1%)	40 (2.8%)	$18,765			$826			$17,940	71.8	61.5	213	54		174119004119
160	Woodstock North High School	Public	8-12	3000 Raffel Rd	Woodstock	60098	McHenry County	Woodstock CUSD 200	No	(n/a)	No	No	(815) 334-2100	915	61	14.8	40.3%	541 (59.1%)	37 (4.0%)	296 (32.3%)	21 (2.3%)	6 (0.7%)	0 (0.0%)	14 (1.5%)	$17,804			$454			$17,350	71.6	60.2	222	62		174333006032

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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:

High school students working on a science experiment

Magnet Schools: Unleashing the Power of Education

Per-Pupil Spending: Understanding the Breakdown of Federal, State, and Local Funds

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.