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Gardner-South Wilmington Township High School

Q: Is Gardner-South Wilmington Township High School a good school?

Gardner-South Wilmington Township High School ranks 229 th of 698 Illinois high schools. SchoolDigger rates this school 3 stars out of 5.

Public Grades 9-12

229^th

SchoolDigger Rank ?

of 698 Illinois High Schools

Better than 67% of Illinois high schools

Summary

Gardner-South Wilmington Township High School is a public high school serving 142 students in grades 9-12 in Gardner, Illinois, which is part of the Gardner S Wilmington Township HSD 73 district.

The school has seen fluctuations in its statewide ranking, ranging from a high of 37th out of 614 Illinois high schools in 2014-2015 to a low of 437th out of 699 in 2021-2022. Its current ranking for 2024-2025 is 229th out of 698 Illinois high schools, with a 3-star rating. The school's performance varies across different student subgroups, with female students generally performing better than male students. The school's performance for White students and low socioeconomic status students is relatively lower compared to the state. Gardner-South Wilmington Township High School has maintained a relatively high four-year graduation rate, ranging from 87.2% to 89.0% in recent years, and a low dropout rate, decreasing from 3.4% in 2021-2022 to 2.4% in 2024-2025.

When compared to nearby high schools, Gardner-South Wilmington Township High School generally performs on par or slightly better than Seneca High School and Herscher High School, but lags behind the higher-performing Morris Community High School and Coal City High School. The school has also experienced a relatively high chronic absenteeism rate, which may be a contributing factor to the lower performance of certain student subgroups.

154

Students ?

8.5

Student/teacher ratio ?

$28,695

Per pupil spending ?

29.9%

Free/discounted lunch ?

500 E Main St
Gardner, IL 60424-6316

(815) 237-2176

District: Gardner S Wilmington Township HSD 73

Feeder schools for Gardner-South Wilmington Township High School:

Elementary:	Braceville Elementary School
	Gardner Elementary School
	South Wilmington Grade School

Racial breakdown:

White:

92.9%

Hispanic:

6.5%

African American:

0.6%

See top rated Illinois high schools

Compare Gardner-South Wilmington Township High School to nearby high schools!

At a glance

▲ Ranking trend: Rebounding — 37th percentile in 2022 → 67th in 2025

Strengths

✓Ranking is rebounding — up to 67th (2025) from a 37th-percentile low (2022)

✓Above the Illinois median (67th percentile)

✓Small classes — about 8 students per teacher

Worth a look

!Some student groups rank well below the school's overall statewide standing

!English Language Arts scores 10 pts below the Illinois average

Students meeting standards (2024-2025) ?

This school47%

District avg47%

Illinois avg48%

229^th of 698

Illinois public high schools ?

Top 33%▼ down 27 pts since 2015

From top 6% (2015) to top 33% (2025)

See the entire ranking list of Illinois High Schools →

★★★★★

SchoolDigger rating ?

307^th of 811Gardner S Wilmington Township HSD 73 among Illinois districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	62.3	229 of 698	67.2%	★★★☆☆
2024	54.0	271 of 697	61.1%	★★★☆☆
2023	63.3	221 of 699	68.4%	★★★☆☆
2022	38.5	437 of 699	37.5%	★★☆☆☆
2021	65.9	191 of 688	72.2%	★★★★☆
2019	73.7	148 of 701	78.9%	★★★★☆
2018	60.7	234 of 647	63.8%	★★★☆☆
2017	66.4	180 of 642	72.0%	★★★★☆
2016	66.3	133 of 643	79.3%	★★★★☆
2015	91.4	37 of 614	94.0%	★★★★★
2014	67.1	218 of 670	67.5%	★★★☆☆
2013	27.4	513 of 670	23.4%	★☆☆☆☆
2012	59.4	298 of 665	55.2%	★★★☆☆
2011	42.2	424 of 655	35.3%	★★☆☆☆
2010	38.8	460 of 643	28.5%	★☆☆☆☆
2009	64.1	243 of 632	61.6%	★★★☆☆
2008	69.7	185 of 624	70.4%	★★★★☆
2007	71.3	172 of 612	71.9%	★★★★☆
2006	84.8	68 of 596	88.6%	★★★★☆
2005	79.1	92 of 590	84.4%	★★★★☆
2004	55.1	295 of 592	50.2%	★★★☆☆
2003	62.5	224 of 586	61.8%	★★★☆☆

Female

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	67.5	182 of 685	73.4%	★★★★☆
2024	71.0	160 of 664	75.9%	★★★★☆
2023	53.7	286 of 656	56.4%	★★★☆☆
2022	45.0	363 of 658	44.8%	★★☆☆☆
2021	50.0	289 of 639	54.8%	★★★☆☆
2019	75.7	129 of 665	80.6%	★★★★☆
2018	73.0	148 of 620	76.1%	★★★★☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	44.8	380 of 672	43.5%	★★☆☆☆
2024	66.6	154 of 639	75.9%	★★★★☆
2023	89.9	32 of 644	95.0%	★★★★★
2022	58.3	215 of 626	65.7%	★★★☆☆
2021	83.7	66 of 611	89.2%	★★★★☆
2019	46.9	319 of 639	50.1%	★★★☆☆
2018	40.7	352 of 585	39.8%	★★☆☆☆

Male

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	55.6	266 of 685	61.2%	★★★☆☆
2024	33.5	421 of 668	37.0%	★★☆☆☆
2023	72.5	141 of 668	78.9%	★★★★☆
2022	35.3	437 of 664	34.2%	★★☆☆☆
2021	78.4	108 of 653	83.5%	★★★★☆
2019	63.8	194 of 675	71.3%	★★★★☆
2018	47.8	324 of 619	47.7%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	Illinois percentile	Rating
2018	52.4	121 of 374	67.6%	★★★☆☆

White

Year	Avg score	Statewide rank	Illinois percentile	Rating
2025	43.0	289 of 564	48.8%	★★☆☆☆
2024	42.0	279 of 554	49.6%	★★★☆☆
2023	39.3	319 of 557	42.7%	★★☆☆☆
2022	28.9	408 of 560	27.1%	★☆☆☆☆
2021	43.9	263 of 553	52.4%	★★★☆☆
2019	60.2	177 of 552	67.9%	★★★☆☆
2018	45.7	272 of 548	50.4%	★★★☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Female (2025)73rd percentile+6 vs school

Special Education (2018)68th percentile+4 vs school

Male (2025)61st percentile-6 vs school

White (2025)49th percentile-18 vs school

Low Socio Economic Status (2025)43rd percentile-24 vs school

By subject vs Illinois (2024-2025) ?

Science47%~ state avg

Mathematics44%+5 vs state

English Language Arts41%-10 vs state

★

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Schools Near Gardner-South Wilmington Township High School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Immunizations Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				PreACT Secure English Language Arts (2025)		PreACT Secure Mathematics (2025)		PreACT Secure Science (2025)		ACT English Language Arts (2025)	ACT Mathematics (2025)	ACT Science (2025)	% Polio (2024)	% Measles (2024)	% Mumps (2024)	% Rubella (2024)	% Hepatitis B (2024)	% Varicella (2024)	% DTP (2024)	% Meningococcal (2024)	Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	PreACT Secure English Language Arts 9th Grade	PreACT Secure English Language Arts 10th Grade	PreACT Secure Mathematics 9th Grade	PreACT Secure Mathematics 10th Grade	PreACT Secure Science 9th Grade	PreACT Secure Science 10th Grade	ACT English Language Arts 11th Grade	ACT Mathematics 11th Grade	ACT Science 11th Grade	% Polio All Grades	% Measles All Grades	% Mumps All Grades	% Rubella All Grades	% Hepatitis B All Grades	% Varicella All Grades	% DTP All Grades	% Meningococcal All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
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%)	62.3	229^th of 698 public high schools	67.2%		54	271^st of 697 public high schools	61.1%	42	54.3	56.4	37.1	41.0	48.6	56.4	41.2	44.1	47.1	98.0	98.0	98.0	98.0	98.0	98.0	98.0	98.0	$28,695	$484	$28,210
Coal City High School	Public	9-12	655 W Division St	Coal City	60416	Grundy County	Coal City CUSD 1	No	(n/a)	No	Yes	(815) 634-2396	642	41	15.8	28.3%	554 (86.3%)	3 (0.5%)	71 (11.1%)	3 (0.5%)	1 (0.2%)	0 (0.0%)	10 (1.6%)	69.6	175^th of 698 public high schools	74.9%		75.1	139^th of 697 public high schools	80.1%	36	60.6	57.4	51.6	49.0	38.1	48.4	62.0	50.0	51.8	96.6	96.6	96.6	96.6	96.6	96.6	96.6	96.6	$17,127	$367	$16,760
Reed-Custer High School	Public	9-12	249 Comet Dr	Braidwood	60408	Will County	Reed Custer CUSD 255U	No	(n/a)	No	Yes	(815) 458-2166	397	34	11.6	41.8%	330 (83.1%)	1 (0.3%)	50 (12.6%)	0 (0.0%)	1 (0.3%)	0 (0.0%)	15 (3.8%)	55.9	291^st of 698 public high schools	58.3%		45.3	349^th of 697 public high schools	49.9%	58	75.0	44.6	46.6	18.5	59.1	43.5	43.8	27.1	39.6									$22,865	$184	$22,681
Dwight High School	Public	9-12	801 S Franklin St	Dwight	60420	Livingston County	Dwight Township HSD 230	No	(n/a)	No	Yes	(815) 584-6201	211	21	9.9	32.7%	190 (90.0%)	2 (0.9%)	9 (4.3%)	1 (0.5%)	0 (0.0%)	0 (0.0%)	9 (4.3%)	56.9	275^th of 698 public high schools	60.6%		44.8	355^th of 697 public high schools	49.1%	80	74.1	46.2	34.5	30.2	43.1	48.1	52.5	30.0	42.5	96.7	97.1	97.1	97.1	96.2	95.7	96.7	96.7	$27,554	$1,348	$26,205
Wilmington High School	Public	9-12	209 Wildcat Ct	Wilmington	60481	Will County	Wilmington CUSD 209U	No	(n/a)	No	Yes	(815) 926-1752	432	30	14.6	43.8%	348 (80.6%)	4 (0.9%)	67 (15.5%)	2 (0.5%)	0 (0.0%)	0 (0.0%)	11 (2.5%)	69.3	176^th of 698 public high schools	74.8%		42.3	380^th of 697 public high schools	45.5%	204	64.4	54.1	50.5	34.9	53.5	42.2	63.6	43.0	55.1									$18,322	$2,018	$16,304
Herscher High School	Public	9-12	501 N Main St	Herscher	60941	Kankakee County	Herscher CUSD 2	No	(n/a)	No	No	(815) 426-2103	542	36	15.0	29.9%	497 (91.7%)	1 (0.2%)	22 (4.1%)	1 (0.2%)	1 (0.2%)	0 (0.0%)	20 (3.7%)	57.2	270^th of 698 public high schools	61.3%		69.1	168^th of 697 public high schools	75.9%	102	59.1	46.2	37.4	33.6	40.0	42.7	48.1	49.6	48.1	98.5	98.3	98.3	98.3	98.5	98.1	97.9	91.8	$16,225	$395	$15,830
Morris Community High School	Public	9-12	1000 Union St	Morris	60450	Grundy County	Morris CHSD 101	No	(n/a)	No	Yes	(815) 942-1294	926	53	17.6		637 (68.8%)	30 (3.2%)	213 (23.0%)	5 (0.5%)	5 (0.5%)	1 (0.1%)	35 (3.8%)	78.1	123^rd of 698 public high schools	82.4%		74.9	141^st of 697 public high schools	79.8%	18	72.7	57.8	52.4	41.7	55.6	55.0	63.2	51.7	55.6	98.5	98.9	98.9	98.9	99.1	98.6	98.7	97.5	$16,781	$306	$16,475
Grundy Area Vocational Center	Public	11-12	1002 Union St	Morris	60450	Grundy County	Grundy/Kendall ROE	No	(n/a)	No	(n/a)	(815) 942-4390	0	0	.0		0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)
Premier Academy Morris	Public	6-12	7700 Ashley Rd	Morris	60450	Grundy County	Grundy/Kendall ROE	No	(n/a)	No	(n/a)	(815) 416-0377	0	2	.0		0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)
Premier Academy Morris TAOEP	Public	6-12	7700 Ashley Rd	Morris	60450	Grundy County	Grundy/Kendall ROE	No	(n/a)	No	(n/a)	(815) 416-0377	0	3	.0		0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)

Frequently Asked Questions about Gardner-South Wilmington Township High School

What district is Gardner-South Wilmington Township High School in?

Gardner S Wilmington Township HSD 73

What schools feed into Gardner-South Wilmington Township High School?

Gardner-South Wilmington Township High School is fed by the following schools:

Elementary : Braceville Elementary School
Elementary : Gardner Elementary School
Elementary : South Wilmington Grade School

How many students attend Gardner-South Wilmington Township High School?

In the 2024-25 school year, 154 students attended Gardner-South Wilmington Township High School.

What is the racial makeup of Gardner-South Wilmington Township High School?

Students at Gardner-South Wilmington Township High School are 93% White, 6% Hispanic.

Is Gardner-South Wilmington Township High School a good school?

Gardner-South Wilmington Township High School ranks 229^th of 698 Illinois high schools. SchoolDigger rates this school 3 stars out of 5.

Rate Gardner-South Wilmington Township High School!

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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.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.