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Best Schools · Illinois · Largest by enrollment

Largest Illinois public schools by enrollment

Illinois public schools ranked by total enrollment. Brick-and-mortar only; virtual schools excluded.

Methodology · All Illinois rankings · All Illinois schools · Nationwide ranking
ILLINOIS · LARGEST BY ENROLLMENT
#SchoolCityDistrictLevelStudents
101Oak Lawn Comm High SchoolOak LawnOak Lawn CHSD 229High1,867
102Wheaton Warrenville South H SWheatonCUSD 200High1,864
103Wheaton North High SchoolWheatonCUSD 200High1,863
104United Twp High SchoolEast MolineUnited Twp HSD 30High1,862
105Maine West High SchoolDes PlainesMaine Township HSD 207High1,857
106Romeoville High SchoolRomeovilleValley View CUSD 365UHigh1,848
107Quincy Sr High SchoolQuincyQuincy SD 172High1,847
108Addison Trail High SchoolAddisonDuPage HSD 88High1,847
109Thornwood High SchoolSouth HollandThornton Twp HSD 205High1,843
110East Leyden High SchoolFranklin ParkLeyden CHSD 212High1,840
111Lake Zurich High SchoolLake ZurichLake Zurich CUSD 95High1,839
112Plainfield East High SchoolPlainfieldPlainfield SD 202High1,825
113Bloom High SchoolChicago HeightsBloom Twp HSD 206High1,823
114Alton High SchoolAltonAlton CUSD 11High1,823
115DD Eisenhower High Sch (Campus)Blue IslandCHSD 218High1,818
116Argo Community High SchoolSummitArgo CHSD 217High1,817
117Hononegah CHD High SchoolRocktonHononegah CHD 207High1,814
118Rock Island High SchoolRock IslandRock Island SD 41High1,812
119Thornton Fractnl So High SchoolLansingThornton Fractional Twp HSD 215High1,803
120Plainfield High SchoolPlainfieldPlainfield SD 202High1,800
121Mather High SchoolChicagoChicago Public Schools Dist 299High1,777
122Libertyville High SchoolLibertyvilleCHSD 128High1,777
123Grant Community High SchoolFox LakeGrant CHSD 124High1,769
124Thomas Kelly College PreparatoryChicagoChicago Public Schools Dist 299High1,762
125Granite City High SchoolGranite CityGranite City CUSD 9High1,755
126Wheeling High SchoolWheelingTownship HSD 214High1,743
127Rockford East High SchoolRockfordRockford SD 205High1,719
128Pekin Community High SchoolPekinPekin CSD 303High1,712
129Hubbard High SchoolChicagoChicago Public Schools Dist 299High1,710
130H L Richards High Sch(Campus)Oak LawnCHSD 218High1,702
131Von Steuben Metro Science HSChicagoChicago Public Schools Dist 299High1,698
132Thornton Township High SchoolHarveyThornton Twp HSD 205High1,697
133Batavia Sr High SchoolBataviaBatavia USD 101High1,690
134West Leyden High SchoolNorthlakeLeyden CHSD 212High1,687
135Richwoods High SchoolPeoriaPeoria SD 150High1,685
136Central High SchoolChampaignChampaign CUSD 4High1,666
137Riverside Brookfield Twp HSRiversideRiverside-Brookfield Twp SD 208High1,663
138Proviso East High SchoolMaywoodProviso Twp HSD 209High1,663
139Highland Park High SchoolHighland ParkTwp HSD 113High1,661
140Kennedy High SchoolChicagoChicago Public Schools Dist 299High1,647
141Geneva Community High SchoolGenevaGeneva CUSD 304High1,635
142Normal Community West High SchoolNormalMcLean County USD 5High1,590
143Juarez Community Academy HSChicagoChicago Public Schools Dist 299High1,585
144Central High SchoolBurilngtonCentral CUSD 301High1,575
145Senn High SchoolChicagoChicago Public Schools Dist 299High1,571
146Peoria High SchoolPeoriaPeoria SD 150High1,541
147Woodland Middle SchoolGurneeWoodland CCSD 50Middle1,541
148Washington G High SchoolChicagoChicago Public Schools Dist 299High1,520
149Amundsen High SchoolChicagoChicago Public Schools Dist 299High1,507
150Glenwood High SchoolChathamBall Chatham CUSD 5High1,484
Page 3 of 20 · 1,000 ranked. Total enrollment from NCES 2024-25. Virtual schools excluded.

Other Illinois rankings

Outperforming demographicsUnderperforming demographicsTitle I beating the oddsHighest proficiencyLowest student-teacher ratioFastest-growingMost racially diverse

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