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Home / Illinois /Best schools
Rankings · Illinois

Largest schools in Cook County, Illinois

Ranked by enrollment — academic rankings appear once test-score data is loaded.

# School City District Enrollment
1 Lane Technical High School Chicago City of Chicago SD 299 4369
2 Taft High School Chicago City of Chicago SD 299 4162
3 Lyons Twp High Sch La Grange Lyons Twp HSD 204 4037
4 Evanston Twp High School Evanston Evanston Twp HSD 202 3731
5 J Sterling Morton West High Sch Berwyn J S Morton HSD 201 3631
6 J Sterling Morton East High Sch Cicero J S Morton HSD 201 3481
7 Oak Park & River Forest High Sch Oak Park Oak Park - River Forest SD 200 3427
8 Curie Metropolitan High School Chicago City of Chicago SD 299 3175
9 Glenbrook South High School Glenview Glenbrook HSD 225 3139
10 Glenbrook South High School Glenview Glenbrook HSD 225 3123
11 New Trier Township H S Winnetka Winnetka New Trier Twp HSD 203 3040
12 Carl Sandburg High School Orland Park Cons HSD 230 2855
13 Homewood-Flossmoor High School Flossmoor Homewood Flossmoor CHSD 233 2831
14 Elgin High School Elgin Sd U-46 2794
15 Wm Fremd High School Palatine Township HSD 211 2650
16 Palatine High School Palatine Township HSD 211 2625
17 Rich Township High School Olympia Fields Rich Twp HSD 227 2614
18 Niles West High School Skokie Niles Twp HSD 219 2562
19 Amos Alonzo Stagg High School Palos Hills Cons HSD 230 2497
20 Unity Jr High School Cicero Cicero SD 99 2448
21 J B Conant High School Hoffman Estates Township HSD 211 2435
22 Maine South High School Park Ridge Maine Township HSD 207 2415
23 Schaumburg High School Schaumburg Township HSD 211 2259
24 Victor J Andrew High School Orland Hills Cons HSD 230 2213
25 Prospect High School Mt Prospect Township HSD 214 2202
26 Lincoln Park High School Chicago City of Chicago SD 299 2149
27 Kenwood Academy High School Chicago City of Chicago SD 299 2144
28 Young Magnet High School Chicago City of Chicago SD 299 2121
29 Niles North High School Skokie Niles Twp HSD 219 2097
30 Rolling Meadows High School Rolling Meadows Township HSD 214 2055
31 Buffalo Grove High School Buffalo Grove Township HSD 214 2031
32 Maine West High School Des Plaines Maine Township HSD 207 2026
33 Glenbrook North High School Northbrook Glenbrook HSD 225 2025
34 Elk Grove High School Elk Grove Village Township HSD 214 2005
35 Hoffman Estates High School Hoffman Estates Township HSD 211 1999
36 Thornwood High School South Holland Thornton Twp HSD 205 1994
37 Thomas Kelly College Preparatory Chicago City of Chicago SD 299 1982
38 John Hersey High School Arlington Heights Township HSD 214 1980
39 Reavis High School Burbank Reavis Twp HSD 220 1977
40 Proviso West High School Hillside Proviso Twp HSD 209 1953
41 Streamwood High School Streamwood Sd U-46 1931
42 Argo Community High School Summit Argo CHSD 217 1923
43 Jones College Prep High School Chicago City of Chicago SD 299 1915
44 Thornton Fractnl So High School Lansing Thornton Fractional Twp HSD 215 1911
45 Hubbard High School Chicago City of Chicago SD 299 1904
46 Maine East High School Park Ridge Maine Township HSD 207 1887
47 A B Shepard High Sch (Campus) Palos Heights Chsd 218 1886
48 Oak Lawn Comm High School Oak Lawn Oak Lawn CHSD 229 1867
49 Mather High School Chicago City of Chicago SD 299 1805
50 Wheeling High School Wheeling Township HSD 214 1788
51 East Leyden High School Franklin Park Leyden CHSD 212 1775
52 Dd Eisenhower High Sch (Campus) Blue Island Chsd 218 1773
53 Juarez Community Academy Hs Chicago City of Chicago SD 299 1772
54 West Leyden High School Northlake Leyden CHSD 212 1764
55 Schurz High School Chicago City of Chicago SD 299 1732
56 Proviso East High School Maywood Proviso Twp HSD 209 1722
57 Thornton Township High School Harvey Thornton Twp HSD 205 1693
58 Senn High School Chicago City of Chicago SD 299 1682
59 Bloom High School Chicago Heights Bloom Twp HSD 206 1676
60 H L Richards High Sch(Campus) Oak Lawn Chsd 218 1674
61 Riverside Brookfield Twp Hs Riverside Riverside-Brookfield Twp SD 208 1659
62 Von Steuben Metro Science Hs Chicago City of Chicago SD 299 1650
63 Washington G High School Chicago City of Chicago SD 299 1593
64 Kennedy High School Chicago City of Chicago SD 299 1557
65 Disney Elem Magnet School Chicago City of Chicago SD 299 1536
66 Amundsen High School Chicago City of Chicago SD 299 1489
67 Bremen High School Midlothian Bremen CHSD 228 1425
68 Steinmetz College Prep Hs Chicago City of Chicago SD 299 1420
69 Lemont Twp High School Lemont Lemont Twp HSD 210 1405
70 Lake View High School Chicago City of Chicago SD 299 1379
71 Thornton Fractnl No High School Calumet City Thornton Fractional Twp HSD 215 1379
72 Edwards Elem School Chicago City of Chicago SD 299 1357
73 Simeon Career Academy High School Chicago City of Chicago SD 299 1355
74 Healy Elem School Chicago City of Chicago SD 299 1354
75 Lindblom Math & Science Acad Hs Chicago City of Chicago SD 299 1350
76 Oak Forest High School Oak Forest Bremen CHSD 228 1349
77 Hillcrest High School Country Club Hills Bremen CHSD 228 1311
78 Cics - Longwood Campus Chicago City of Chicago SD 299 1300
79 Solorio Academy High School Chicago City of Chicago SD 299 1288
80 Armstrong G Elem Intl Studies Chicago City of Chicago SD 299 1262
81 Mount Greenwood Elem School Chicago City of Chicago SD 299 1257
82 Sawyer Elem School Chicago City of Chicago SD 299 1243
83 Hanson Park Elem School Chicago City of Chicago SD 299 1241
84 Liberty Junior High School Burbank Burbank SD 111 1229
85 Locke J Elem School Chicago City of Chicago SD 299 1228
86 Lyon Elem School Chicago City of Chicago SD 299 1224
87 Westinghouse High School Chicago City of Chicago SD 299 1207
88 H H Conrady Jr High School Hickory Hills North Palos SD 117 1206
89 Bloom Trail High School Chicago Heights Bloom Twp HSD 206 1203
90 Morgan Park High School Chicago City of Chicago SD 299 1200
91 Noble St Chtr-Chicago Bulls Prep Chicago City of Chicago SD 299 1193
92 Payton College Preparatory Hs Chicago City of Chicago SD 299 1191
93 Prosser Career Academy Hs Chicago City of Chicago SD 299 1186
94 Eberhart Elem School Chicago City of Chicago SD 299 1185
95 Noble St Chtr-Comer College Prep Chicago City of Chicago SD 299 1185
96 Skinner Elem School Chicago City of Chicago SD 299 1147
97 Roosevelt High School Chicago City of Chicago SD 299 1139
98 Clinton Elem School Chicago City of Chicago SD 299 1138
99 Stevenson Elem School Chicago City of Chicago SD 299 1135
100 Oak Lawn-Hometown Middle Sch Oak Lawn Oak Lawn-Hometown SD 123 1134
101 J Sterling Morton Freshman Cntr Cicero J S Morton HSD 201 1133
102 Lake Louise Elem School Palatine Palatine CCSD 15 1125
103 Noble St Chtr-Itw Speer Acad Chicago City of Chicago SD 299 1124
104 Noble St Chtr - Mansueto Chicago City of Chicago SD 299 1123
105 Thornridge High School Dolton Thornton Twp HSD 205 1116
106 Tinley Park High School Tinley Park Bremen CHSD 228 1110
107 Gemini Middle School Niles East Maine SD 63 1107
108 Catalyst Charter - Maria Es Chicago City of Chicago SD 299 1098
109 Richardson Middle School Chicago City of Chicago SD 299 1095
110 Gray Elem School Chicago City of Chicago SD 299 1094
111 Beasley Elem Magnet Academic Ctr Chicago City of Chicago SD 299 1090
112 Nightingale Elem School Chicago City of Chicago SD 299 1088
113 Bridge Elem School Chicago City of Chicago SD 299 1087
114 Marquette Elem School Chicago City of Chicago SD 299 1085
115 Bogan High School Chicago City of Chicago SD 299 1082
116 Back Of The Yards Ib Hs Chicago City of Chicago SD 299 1075
117 Twain Elem School Chicago City of Chicago SD 299 1055
118 Marquette Elem School Chicago City of Chicago SD 299 1047
119 Barrington Mdle Sch- Prairie Cmps Barrington Barrington CUSD 220 1044
120 Northside College Preparatory Hs Chicago City of Chicago SD 299 1041
121 Beaubien Elem School Chicago City of Chicago SD 299 1028
122 North-Grand High School Chicago City of Chicago SD 299 1028
123 Peirce Elem Intl Studies School Chicago City of Chicago SD 299 1028
124 Hancock College Preparatory Hs Chicago City of Chicago SD 299 1019
125 Hernandez Middle School Chicago City of Chicago SD 299 1015
126 Cardenas Elem School Chicago City of Chicago SD 299 1012
127 Intrinsic Charter High School Chicago City of Chicago SD 299 1006
128 Brooks College Prep Academy Hs Chicago City of Chicago SD 299 1004
129 Noble St Chtr-Uic College Prep Chicago City of Chicago SD 299 1003
130 Falconer Elem School Chicago City of Chicago SD 299 995
131 New Trier Township H S Northfield Northfield New Trier Twp HSD 203 990
132 Willow Bend Elem School Rolling Meadows Palatine CCSD 15 986
133 Dawes Elem School Chicago City of Chicago SD 299 984
134 Elmwood Park High School Elmwood Park Elmwood Park CUSD 401 982
135 Rowe Elementary Chicago City of Chicago SD 299 982
136 Noble St Chtr-Muchin College Prep Chicago City of Chicago SD 299 979
137 Noble St Chtr-Pritzker College Prep Chicago City of Chicago SD 299 979
138 Percy Julian Middle School Oak Park Oak Park ESD 97 977
139 Ogden Elem School Chicago City of Chicago SD 299 972
140 Kipp Chicago Charter School - Kipp One Academy Chicago City of Chicago SD 299 969
141 Prairie-Hills Junior High School Markham Prairie-Hills ESD 144 957
142 Coonley Elem School Chicago City of Chicago SD 299 955
143 Bell Elem School Chicago City of Chicago SD 299 953
144 Lincoln Middle School Berwyn Berwyn North SD 98 949
145 Brooks College Prep Academy Hs Chicago City of Chicago SD 299 947
146 Thomas Middle School Arlington Heights Arlington Heights SD 25 944
147 Lincoln Elem School Chicago City of Chicago SD 299 942
148 Tarkington Elem School Chicago City of Chicago SD 299 942
149 Carson Elem School Chicago City of Chicago SD 299 933
150 Saucedo Elem Scholastic Academy Chicago City of Chicago SD 299 932

All Illinois schools