| St. Philip the Apostle School | Addison | PreK-8 | 237 | 17.1 | Roman Catholic |
| All About Kids Montessori School | Aurora | PreK-Transitional 1st | 5 | 2.5 | Nonsectarian |
| Casa Dei Bambini Montessori | Aurora | PreK-K | 13 | 3.2 | Nonsectarian |
| Montessori Childrens Garden | Aurora | PreK-K | 3 | 5 | Nonsectarian |
| Friendship Corner | Bartlett | PreK-K | 3 | 3 | Nonsectarian |
| Pixie & Dixie Day Care Center | Bensenville | PreK-K | 14 | not reported | Nonsectarian |
| Zion-Concord Lutheran School | Bensenville | PreK-8 | 39 | 8.9 | Lutheran Church (Missouri Synod) |
| Goddard School | Bloomingdale | PreK-K | 6 | not reported | Nonsectarian |
| Marklund Day School | Bloomingdale | K-12 | 66 | 4.4 | Nonsectarian |
| St. Isidore School | Bloomingdale | PreK-8 | 189 | 13.9 | Roman Catholic |
| Notre Dame School | Clarendon Hills | PreK-8 | 158 | 10.1 | Roman Catholic |
| Seton Montessori School | Clarendon Hills | PreK-5 | 50 | 7.6 | Nonsectarian |
| Kingswood Academy | Darien | PreK-8 | 127 | 9.7 | Roman Catholic |
| Avery Coonley School | Downers Grove | PreK-8 | 290 | 7.4 | Nonsectarian |
| Downers Grove Adventist School | Downers Grove | PreK-7 | 16 | 5.3 | Seventh-Day Adventist |
| Downers Grove Christian School | Downers Grove | PreK-8 | 153 | 15.3 | Baptist |
| Good Shepherd Lutheran Academy | Downers Grove | PreK-8 | 29 | 7.2 | Wisconsin Evangelical Lutheran Synod |
| Marquette Manor Baptist Academy | Downers Grove | PreK-12 | 135 | 12.9 | Baptist |
| St. Joseph | Downers Grove | PreK-8 | 371 | 15.9 | Roman Catholic |
| St. Mary of Gostyn Catholic School | Downers Grove | PreK-8 | 419 | 14.7 | Roman Catholic |
| Ic Catholic Prep | Elmhurst | 9-12 | 371 | 9.3 | Roman Catholic |
| Immaculate Conception Grade School | Elmhurst | PreK-8 | 468 | 17.5 | Roman Catholic |
| Immanuel Lutheran | Elmhurst | PreK-8 | 75 | 10.1 | Lutheran Church (Missouri Synod) |
| Lindamood-Bell Learning Processes Elmhurst | Elmhurst | 7-9 | 3 | not reported | Nonsectarian |
| Pythagoras Childrens Academy | Elmhurst | PreK-4 | 31 | 7.8 | Greek Orthodox |
| Timothy Christian Schools | Elmhurst | PreK-12 | 1,194 | 18.1 | Christian (nondenominational) |
| Wilson Montessori Academy | Elmhurst | PreK-K | 3 | not reported | Nonsectarian |
| Diamante Montessori School | Glen Ellyn | PreK-K | 6 | 2 | Nonsectarian |
| Montessori Academy of Glen Ellen | Glen Ellyn | PreK-K | 19 | 3.2 | Nonsectarian |
| St. James the Apostle School | Glen Ellyn | PreK-8 | 163 | 12.6 | Roman Catholic |
| St. Petronille School | Glen Ellyn | PreK-8 | 493 | 18.3 | Roman Catholic |
| Glenoaks Therapeutic Day Schools | Glendale Heights | 6-12 | 163 | 12.5 | Seventh-Day Adventist |
| St. Matthew School | Glendale Heights | PreK-8 | 75 | 7.6 | Roman Catholic |
| Greenbrook Montessori School | Hanover Park | K | 12 | 4 | Nonsectarian |
| Lutheran School of St. Luke | Itasca | PreK-8 | 75 | 10 | Lutheran Church (Missouri Synod) |
| St. Alphonsus/St. Patrick School | Lemont | PreK-8 | 153 | 11.3 | Roman Catholic |
| Giant Steps Illinois | Lisle | 1-12 | 154 | 6.7 | Nonsectarian |
| St. Joan of Arc | Lisle | PreK-8 | 308 | 14 | Roman Catholic |
| College Preparatory School of America | Lombard | PreK-12 | 602 | 12.6 | Islamic |
| Creative Montessori Learning Center | Lombard | PreK-K | 5 | 3.1 | Nonsectarian |
| Ilm Montessori | Lombard | PreK-5 | 81 | 16.2 | Islamic |
| School of Expressive Arts and Learning (Seal) | Lombard | 2-12 | 95 | 8.6 | Nonsectarian |
| St. John's Lutheran School | Lombard | K-8 | 158 | 10 | Lutheran Church (Missouri Synod) |
| St. Pius X Elementary School | Lombard | PreK-8 | 300 | 14.3 | Roman Catholic |
| Trinity Lutheran School | Lombard | PreK-8 | 41 | 5.9 | Lutheran Church (Missouri Synod) |
| All Saints Catholic Academy | Naperville | PreK-8 | 414 | 14.1 | Roman Catholic |
| Arrow Academy | Naperville | PreK-12 | 17 | 7.1 | Nonsectarian |
| Bethany Lutheran Church and School | Naperville | PreK-8 | 165 | 12.2 | Lutheran Church (Missouri Synod) |
| Calvary Christian School | Naperville | PreK-8 | 257 | 9.9 | Christian (nondenominational) |
| Covenant Classical School | Naperville | K-8 | 109 | 10.1 | Christian (nondenominational) |
| Dupage Montessori School | Naperville | PreK-8 | 137 | 9.1 | Nonsectarian |
| Icn Noor Academy | Naperville | PreK-5 | 112 | 11.1 | Islamic |
| Meher Montessori Academy | Naperville | PreK-K | 5 | 2.5 | Nonsectarian |
| Naperville Christian Academy | Naperville | PreK-12 | 126 | 6.2 | Christian (nondenominational) |
| Saints Peter & Paul School | Naperville | PreK-8 | 435 | 17.2 | Roman Catholic |
| St. Raphael Catholic School | Naperville | PreK-8 | 247 | 13.1 | Roman Catholic |
| Turning Pointe Cn Day School | Naperville | 1-12 | 49 | 6.1 | Nonsectarian |
| Fusion Academy Ob: Chicago- Oak Brook | Oak Brook | 6-12 | 43 | 2.2 | Nonsectarian |
| The Gardner School of Oakbrook Terrace | Oakbrook Terrace | PreK-K | 18 | 18 | Nonsectarian |
| St. Walter School | Roselle | PreK-8 | 341 | 7.6 | Roman Catholic |
| Trinity Lutheran School | Roselle | PreK-8 | 139 | 10.2 | Lutheran Church (Missouri Synod) |
| Islamic Foundation School | Villa Park | PreK-12 | 633 | 13.8 | Islamic |
| Montessori Childrens Academy | Villa Park | PreK-K | 7 | not reported | Nonsectarian |
| Seton Academy | Villa Park | PreK-8 | 39 | 13 | Roman Catholic |
| Carmel Montessori Academy & Children's House | Warrenville | Ungraded | 31 | 5.1 | Nonsectarian |
| Little Friends School Programs | Warrenville | PreK-12 | 114 | 8.1 | Nonsectarian |
| Orion STEM Schools | Warrenville | K | 4 | 2 | Nonsectarian |
| The Gardner School of Warrenville | Warrenville | K | 10 | 10 | Nonsectarian |
| The Waldorf School of Dupage | Warrenville | PreK-8 | 76 | 5.4 | Nonsectarian |
| Creme de la Creme - Westmont | Westmont | PreK-K | 16 | 16 | Nonsectarian |
| Holy Trinity School | Westmont | PreK-8 | 117 | 9.3 | Roman Catholic |
| Carriers of Light | Wheaton | PreK-6 | 108 | 10.8 | Islamic |
| Clapham School | Wheaton | PreK-12 | 145 | 5.8 | Christian (nondenominational) |
| Clare Woods Academy | Wheaton | K-12 | 88 | 6.8 | Roman Catholic |
| Dupage Montessori School - Wheaton | Wheaton | PreK-K | 21 | 6.4 | Nonsectarian |
| Prairie School of Dupage | Wheaton | PreK-8 | 73 | 7.8 | Nonsectarian |
| St. Francis High School | Wheaton | 9-12 | 703 | 13.3 | Roman Catholic |
| Wheaton Montessori School | Wheaton | PreK-9 | 119 | 11.9 | Nonsectarian |
| St. John the Baptist Catholic School | Winfield | PreK-8 | 177 | 16.2 | Roman Catholic |
| Wheaton Christian Grammar School | Winfield | K-8 | 646 | 15.6 | Christian (nondenominational) |
| Childs Voice | Wood Dale | PreK-2 | 25 | 3.1 | Nonsectarian |
| Abraxas Naperville Bridge | Woodridge | 10-12 | 26 | 5.2 | Nonsectarian |
| St. Scholastica Parish School | Woodridge | K-8 | 203 | 16.8 | Roman Catholic |