| St Alban Roe School | 1.9 |
Regular elementary or secondary | Pre-KG-8 | 464 | 23.2 | Roman Catholic |
| Hope Montessori Academy West | 3.2 |
Early childhood program/child care center | Pre-KG-KG | 9 | 4.5 | Nonsectarian |
| Elegant Child Early Learning Center | 3.5 |
Early childhood program/child care center | Pre-KG-KG | 18 | 8.6 | Christian (no specific denomination) |
| St Johns Lutheran School | 5.0 |
Regular elementary or secondary | KG-8 | 331 | 12.4 | Lutheran Church - Missouri Synod |
| St Clare Of Assisi School | 5.5 |
Regular elementary or secondary | KG-8 | 459 | 19.5 | Roman Catholic |
| St Mark's Lutheran School | 5.8 |
Regular elementary or secondary | Pre-KG-8 | 100 | 11.0 | Lutheran Church - Missouri Synod |
| Linda Vista Catholic School | 6.0 |
Regular elementary or secondary | Pre-KG-8 | 108 | 8.6 | Roman Catholic |
| Holy Infant Elementary School | 6.3 |
Regular elementary or secondary | KG-8 | 865 | 20.6 | Roman Catholic |
| Sacred Heart Elementary School | 6.4 |
Regular elementary or secondary | Pre-KG-8 | 199 | 22.1 | Roman Catholic |
| St Joseph Institute For The Deaf | 6.6 |
Special education | Pre-KG-7 | 54 | 3.3 | Roman Catholic |
| Westwood Junior Academy | 7.0 |
Regular elementary or secondary | Pre-KG-7 | 13 | 13.0 | Seventh-Day Adventist |
| Ascension School | 7.2 |
Regular elementary or secondary | KG-8 | 523 | 15.0 | Roman Catholic |
| Torah Prep School - Boys Division | 8.1 |
Regular elementary or secondary | 2-8 | 66 | 7.5 | Jewish |
| St Bridget Elementary School | 8.2 |
Regular elementary or secondary | Pre-KG-8 | 127 | 11.2 | Roman Catholic |
| St Joseph Elementary School | 8.4 |
Regular elementary or secondary | Pre-KG-8 | 437 | 15.1 | Roman Catholic |
| Messiah Lutheran School | 8.9 |
Regular elementary or secondary | Pre-KG-8 | 246 | 18.2 | Lutheran Church - Missouri Synod |
| Al-salam Day School | 9.7 |
Regular elementary or secondary | Pre-KG-8 | 113 | 11.9 | Islamic |
| Christ, Prince Of Peace School | 9.8 |
Regular elementary or secondary | KG-8 | 367 | 15.4 | Roman Catholic |
| The Centre At Conway | 9.8 |
Early childhood program/child care center | Pre-KG-KG | 15 | 7.5 | Nonsectarian |
| Sacred Heart Elementary School | 10.1 |
Regular elementary or secondary | Pre-KG-8 | 359 | 17.3 | Roman Catholic |
| West County Christian School | 10.2 |
Regular elementary or secondary | KG-8 | 74 | 7.5 | Christian (no specific denomination) |
| Chesterfield Montessori School | 10.3 |
Montessori | Pre-KG-6 | 86 | 12.7 | Nonsectarian |
| St Joseph School | 10.8 |
Regular elementary or secondary | KG-8 | 880 | 19.1 | Roman Catholic |
| Kirk Of The Hills Christian Day School | 11.2 |
Regular elementary or secondary | Pre-KG-6 | 315 | 16.1 | Presbyterian |
| Hope Montessori Academy | 11.3 |
Montessori | Pre-KG-KG | 20 | 8.7 | Nonsectarian |
| Solomon Schechter Day School | 11.3 |
Special program emphasis | KG-8 | 173 | 5.5 | Jewish |
| Incarnate Word Parish School | 11.5 |
Regular elementary or secondary | KG-8 | 425 | 18.6 | Roman Catholic |
| St Anthony School | 11.7 |
Regular elementary or secondary | Pre-KG-8 | 53 | 7.7 | Roman Catholic |
| Harvester Elementary School | 11.7 |
Regular elementary or secondary | Pre-KG-6 | 110 | 11.8 | Christian (no specific denomination) |
| Wonder Years | 11.9 |
Special program emphasis | Pre-KG-5 | 55 | 27.5 | Nonsectarian |
| The Goddard School | 12.0 |
Early childhood program/child care center | Pre-KG-Trans. KG | 20 | 14.3 | Nonsectarian |
| First Academy Child Care | 12.1 |
Early childhood program/child care center | Pre-KG-KG | 17 | 10.6 | Nonsectarian |
| Our Savior Lutheran Church And School | 12.2 |
Regular elementary or secondary | Pre-KG-8 | 122 | 11.0 | Lutheran Church - Missouri Synod |
| Sts Joachim & Ann School | 12.3 |
Regular elementary or secondary | KG-8 | 356 | 16.9 | Roman Catholic |
| Messenger Christian School | 12.4 |
Regular elementary or secondary | Pre-KG-1 | 10 | 10.0 | Pentecostal |
| Andrews Academy | 12.4 |
Regular elementary or secondary | Pre-KG-6 | 208 | 8.7 | Nonsectarian |
| Zion Lutheran School | 12.5 |
Regular elementary or secondary | Pre-KG-8 | 278 | 14.3 | Lutheran Church - Missouri Synod |
| St Paul's | 12.5 |
Regular elementary or secondary | Pre-KG-8 | 264 | 14.3 | Lutheran Church - Missouri Synod |
| St Gerard Majella School | 12.6 |
Regular elementary or secondary | KG-8 | 377 | 16.0 | Roman Catholic |
| Covenant Christian School | 12.6 |
Regular elementary or secondary | Pre-KG-5 | 61 | 9.7 | Presbyterian |
| Countryside Montessori School | 12.7 |
Early childhood program/child care center | Pre-KG-KG | 1 | 0.3 | Nonsectarian |
| St Clement Of Rome School | 13.0 |
Regular elementary or secondary | KG-8 | 354 | 11.3 | Roman Catholic |
| Immaculate Conception School | 13.1 |
Regular elementary or secondary | KG-8 | 715 | 24.8 | Roman Catholic |
| St Paul School | 13.2 |
Regular elementary or secondary | KG-8 | 385 | 15.8 | Roman Catholic |
| Our Lady Queen Of Peace School | 13.4 |
Regular elementary or secondary | Pre-KG-8 | 257 | 17.0 | Roman Catholic |
| Willott Road Christian Academy | 13.6 |
Regular elementary or secondary | Pre-KG-8 | 327 | 13.0 | Baptist |
| Saul Mirowitz Day School-reform Jewish Academy | 13.7 |
Regular elementary or secondary | KG-5 | 86 | 6.6 | Jewish |
| Kirkwood Children's House Inc | 13.8 |
Montessori | Pre-KG-KG | 4 | 2.0 | Nonsectarian |
| Child Of God Lutheran School | 13.9 |
Regular elementary or secondary | Pre-KG-7 | 129 | 11.8 | Lutheran Church - Missouri Synod |
| Des Peres Montessori | 13.9 |
Montessori | Pre-KG-5 | 11 | 2.8 | Nonsectarian |
| Villa Di Maria Montessori Center | 14.1 |
Montessori | Pre-KG-5 | 37 | 12.3 | Nonsectarian |
| St Peter Elementary School | 14.3 |
Regular elementary or secondary | Pre-KG-8 | 494 | 16.0 | Roman Catholic |
| Casa Dia Montessori | 14.4 |
Early childhood program/child care center | Pre-KG-KG | 250 | 1.9 | Nonsectarian |
| Christ Community Lutheran School | 14.5 |
Regular elementary or secondary | Pre-KG-8 | 345 | 16.6 | Lutheran Church - Missouri Synod |
| First Baptist Christian Academy | 14.6 |
Regular elementary or secondary | Pre-KG-6 | 218 | 11.5 | Baptist |
| Westgate Christian Academy | 14.7 |
Regular elementary or secondary | Pre-KG-8 | 182 | 9.6 | Christian (no specific denomination) |
| Life Christian School | 14.7 |
Regular elementary or secondary | Pre-KG-5 | 20 | 4.9 | Christian (no specific denomination) |
| St Elizabeth St Robert Regional School | 14.8 |
Regular elementary or secondary | KG-8 | 362 | 18.3 | Roman Catholic |
| Ste Genevieve Du Bois School | 15.0 |
Regular elementary or secondary | KG-8 | 171 | 13.9 | Roman Catholic |
| Our Lady Of The Pillar School | 15.1 |
Regular elementary or secondary | KG-8 | 189 | 12.5 | Roman Catholic |
| Julie Smith St Richard School | 15.3 |
Regular elementary or secondary | KG-8 | 124 | 10.7 | Roman Catholic |
| Rohan Woods School | 15.4 |
Regular elementary or secondary | Pre-KG-6 | 100 | 6.5 | Nonsectarian |
| Assumption School | 15.6 |
Regular elementary or secondary | KG-8 | 474 | 23.1 | Roman Catholic |
| Campbell Montessori School | 15.7 |
Montessori | Pre-KG-5 | 66 | 16.5 | Nonsectarian |
| St John The Baptist School | 16.0 |
Regular elementary or secondary | Pre-KG-8 | 122 | 10.1 | Roman Catholic |
| Mary Queen Of Peace School | 16.1 |
Regular elementary or secondary | KG-8 | 622 | 19.1 | Roman Catholic |
| Immanuel Lutheran School | 16.3 |
Regular elementary or secondary | Pre-KG-8 | 142 | 12.8 | Lutheran Church - Missouri Synod |
| Grace Christian Academy | 16.3 |
Regular elementary or secondary | Pre-KG-8 | 181 | 10.3 | Christian (no specific denomination) |
| Epstein Hebrew Academy/h F | 16.3 |
Regular elementary or secondary | Pre-KG-8 | 135 | 9.6 | Jewish |
| Holy Spirit School | 16.4 |
Regular elementary or secondary | Pre-KG-8 | 195 | 14.7 | Roman Catholic |
| St Catherine Laboure School | 16.4 |
Regular elementary or secondary | KG-8 | 493 | 19.1 | Roman Catholic |
| St Cletus School | 16.5 |
Regular elementary or secondary | KG-8 | 311 | 13.8 | Roman Catholic |
| St Peter Catholic School | 16.8 |
Regular elementary or secondary | KG-8 | 183 | 12.6 | Roman Catholic |
| Immanuel Lutheran School | 16.8 |
Regular elementary or secondary | Pre-KG-8 | 388 | 18.1 | Lutheran Church - Missouri Synod |
| Christ Community Lutheran School | 16.9 |
Regular elementary or secondary | Pre-KG-8 | 344 | 17.7 | Lutheran Church - Missouri Synod |
| Faith Academy | 17.0 |
Montessori | Pre-KG-KG | 6 | 0.9 | Nonsectarian |
| Annunciation School | 17.0 |
Regular elementary or secondary | Pre-KG-8 | 152 | 10.8 | Roman Catholic |
| Our Lady Of Providence School | 17.1 |
Regular elementary or secondary | KG-8 | 184 | 15.6 | Roman Catholic |
| College School Of Webster Groves | 17.2 |
Regular elementary or secondary | Pre-KG-8 | 231 | 6.8 | Nonsectarian |
| Academy Of The Sacred Heart | 17.2 |
Regular elementary or secondary | Pre-KG-8 | 595 | 12.1 | Roman Catholic |
| Shining Rivers School | 17.2 |
Special program emphasis | Pre-KG-4 | 39 | 8.5 | Nonsectarian |
| St Charles Borromeo School | 17.2 |
Regular elementary or secondary | KG-8 | 375 | 12.5 | Roman Catholic |
| Community School | 17.3 |
Regular elementary or secondary | Pre-KG-6 | 281 | 6.2 | Nonsectarian |
| Holy Redeemer Catholic School | 17.6 |
Regular elementary or secondary | Pre-KG-8 | 208 | 14.0 | Roman Catholic |
| Holy Trinity School | 17.7 |
Regular elementary or secondary | Pre-KG-8 | 240 | 18.6 | Roman Catholic |
| St Mary Magdalen School | 17.7 |
Regular elementary or secondary | Pre-KG-8 | 188 | 10.7 | Roman Catholic |
| Immacolata Elementary School | 17.8 |
Regular elementary or secondary | KG-8 | 263 | 11.5 | Roman Catholic |
| Torah Prep School - Girls Division | 18.0 |
Regular elementary or secondary | Pre-KG-8 | 107 | 3.5 | Jewish |
| St Patrick School | 18.0 |
Regular elementary or secondary | KG-8 | 457 | 19.0 | Roman Catholic |
| Our Lady Of Lourdes | 18.0 |
Regular elementary or secondary | Pre-KG-8 | 207 | 16.4 | Roman Catholic |
| Assumption Parish School | 18.0 |
Regular elementary or secondary | KG-8 | 392 | 17.8 | Roman Catholic |
| Hope Lutheran School-st Ann | 18.0 |
Regular elementary or secondary | Pre-KG-8 | 56 | 10.4 | Lutheran Church - Missouri Synod |
| Victory Christian School | 18.1 |
Regular elementary or secondary | KG-8 | 111 | 11.0 | Brethren |
| Immanuel Lutheran School | 18.3 |
Regular elementary or secondary | Pre-KG-8 | 163 | 8.8 | Lutheran Church - Missouri Synod |
| St Simon The Apostle School | 18.3 |
Regular elementary or secondary | KG-8 | 397 | 17.0 | Roman Catholic |
| Abiding Savior Lutheran School | 18.4 |
Regular elementary or secondary | Pre-KG-8 | 155 | 14.0 | Lutheran Church - Missouri Synod |
| St Vincent De Paul School | 18.5 |
Regular elementary or secondary | KG-8 | 112 | 10.6 | Roman Catholic |
| City Of Life Child Care Center | 18.5 |
Early childhood program/child care center | Pre-KG-KG | 11 | 11.0 | Christian (no specific denomination) |
| St Francis Borgia Grade School | 18.6 |
Regular elementary or secondary | Pre-KG-8 | 362 | 16.5 | Roman Catholic |
| Immanuel Lutheran | 18.6 |
Regular elementary or secondary | Pre-KG-8 | 199 | 15.9 | Lutheran Church - Missouri Synod |
| South Side Christian School | 18.6 |
Regular elementary or secondary | KG-8 | 109 | 12.4 | Assembly of God |
| Central Christian School | 18.7 |
Regular elementary or secondary | KG-6 | 191 | 11.9 | Christian (no specific denomination) |
| St Michael The Archangel School | 18.7 |
Regular elementary or secondary | KG-8 | 179 | 11.0 | Roman Catholic |
| Washington Montessori School | 18.7 |
Montessori | Pre-KG-Trans. KG | 3 | 3.0 | Nonsectarian |
| The Freedom School | 18.7 |
Regular elementary or secondary | Pre-KG-4 | 60 | 6.1 | Presbyterian |
| A Growing Place Montessori School | 18.7 |
Montessori | Pre-KG-KG | 4 | 1.4 | Nonsectarian |
| Our Redeemer Lutheran | 18.8 |
Regular elementary or secondary | Pre-KG-8 | 105 | 11.8 | Lutheran Church - Missouri Synod |
| St Joseph School-josephville | 18.8 |
Regular elementary or secondary | KG-8 | 90 | 14.1 | Roman Catholic |
| Clayton Child Center/clayton Academy | 19.1 |
Special education | KG-KG | 128 | 21.7 | Nonsectarian |
| Linc Family Learning Center | 19.2 |
Early childhood program/child care center | Pre-KG-KG | 5 | 1.7 | Christian (no specific denomination) |
| Holy Child School | 19.2 |
Regular elementary or secondary | Pre-KG-8 | 195 | 10.5 | Roman Catholic |
| St Justin The Martyr School | 19.3 |
Regular elementary or secondary | KG-8 | 208 | 14.4 | Roman Catholic |
| St Paul Elementary School | 19.3 |
Regular elementary or secondary | Pre-KG-8 | 205 | 14.9 | Roman Catholic |
| Our Lady Of The Presentation | 19.4 |
Regular elementary or secondary | Pre-KG-8 | 99 | 8.5 | Roman Catholic |
| Agape' Academy And Child Development Center | 19.5 |
Regular elementary or secondary | Pre-KG-8 | 139 | 14.5 | Other |
| Our Lady Of Lourdes School | 19.5 |
Regular elementary or secondary | KG-8 | 255 | 19.6 | Roman Catholic |
| Climbing Rose Kindergarten | 19.6 |
Early childhood program/child care center | Pre-KG-KG | 2 | 2.0 | Nonsectarian |
| Bethel Lutheran School | 19.8 |
Regular elementary or secondary | Pre-KG-8 | 37 | 7.4 | Evangelical Lutheran Church in America |
| St Margaret Mary Alacoque School | 19.9 |
Regular elementary or secondary | KG-8 | 610 | 17.4 | Roman Catholic |
| Word Of Life Lutheran School | 19.9 |
Regular elementary or secondary | Pre-KG-8 | 171 | 13.1 | Lutheran Church - Missouri Synod |
| Green Park Lutheran School | 19.9 |
Regular elementary or secondary | KG-8 | 347 | 17.7 | Lutheran Church - Missouri Synod |
| St Johns Lutheran School | 20.0 |
Regular elementary or secondary | Pre-KG-8 | 143 | 11.4 | Lutheran Church - Missouri Synod |
| St Raphael The Archangel School | 20.0 |
Regular elementary or secondary | KG-8 | 157 | 13.2 | Roman Catholic |
| Salem Lutheran School | 20.0 |
Regular elementary or secondary | Pre-KG-8 | 136 | 11.0 | Lutheran Church - Missouri Synod |
| Epiphany Of Our Lord School | 20.1 |
Regular elementary or secondary | Pre-KG-8 | 150 | 16.7 | Roman Catholic |
| The Wilson School | 20.1 |
Regular elementary or secondary | Pre-KG-6 | 151 | 6.9 | Nonsectarian |
| St Mark School | 20.2 |
Regular elementary or secondary | KG-8 | 292 | 14.5 | Roman Catholic |
| St Gabriel The Archangel School | 20.3 |
Regular elementary or secondary | KG-8 | 509 | 13.9 | Roman Catholic |
| The St Michael School | 20.3 |
Regular elementary or secondary | Pre-KG-6 | 96 | 5.7 | Episcopal |
| Forsyth School | 20.4 |
Regular elementary or secondary | Pre-KG-6 | 318 | 8.0 | Nonsectarian |
| Immaculate Conception School | 20.6 |
Regular elementary or secondary | KG-8 | 318 | 15.9 | Roman Catholic |
| St Joan Of Arc Elem School | 20.7 |
Regular elementary or secondary | KG-8 | 235 | 14.2 | Roman Catholic |
| St James The Greater | 20.7 |
Regular elementary or secondary | Pre-KG-8 | 134 | 12.4 | Roman Catholic |
| St Roch School | 20.9 |
Regular elementary or secondary | Pre-KG-8 | 192 | 16.7 | Roman Catholic |
| St Gertrude School | 21.2 |
Regular elementary or secondary | Pre-KG-8 | 326 | 16.1 | Roman Catholic |
| Hope Lutheran School | 21.2 |
Regular elementary or secondary | Pre-KG-8 | 92 | 10.3 | Lutheran Church - Missouri Synod |
| St Francis Of Assisi School | 21.3 |
Regular elementary or secondary | Pre-KG-8 | 417 | 18.6 | Roman Catholic |
| City Academy | 21.4 |
Regular elementary or secondary | Pre-KG-6 | 108 | 6.9 | Nonsectarian |
| St Joseph School | 21.6 |
Regular elementary or secondary | KG-8 | 388 | 18.1 | Roman Catholic |
| Immaculate Heart Of Mary School | 21.6 |
Regular elementary or secondary | Pre-KG-8 | 202 | 11.2 | Roman Catholic |
| St Ann Normandy School | 21.7 |
Regular elementary or secondary | Pre-KG-8 | 192 | 17.0 | Roman Catholic |
| St Ambrose School | 21.8 |
Regular elementary or secondary | KG-8 | 319 | 14.3 | Roman Catholic |
| Northwest Christian School | 21.9 |
Regular elementary or secondary | Pre-KG-6 | 55 | 7.0 | Church of the Nazarene |
| St John The Baptist Elementary School | 22.2 |
Regular elementary or secondary | Pre-KG-8 | 284 | 11.8 | Roman Catholic |
| King Of Glory Lutheran School | 22.2 |
Regular elementary or secondary | Pre-KG-8 | 123 | 13.5 | Lutheran Church - Missouri Synod |
| New City School | 22.2 |
Regular elementary or secondary | Pre-KG-6 | 301 | 10.4 | Nonsectarian |
| St Stephen Protomartyr School | 22.2 |
Regular elementary or secondary | KG-8 | 180 | 17.0 | Roman Catholic |
| Queen Of All Saints School | 22.3 |
Regular elementary or secondary | KG-8 | 516 | 17.7 | Roman Catholic |
| Our Lady Of Guadalupe School | 22.4 |
Regular elementary or secondary | KG-8 | 181 | 15.3 | Roman Catholic |
| Southside Christian Academy | 22.6 |
Regular elementary or secondary | KG-KG | 22 | 20.0 | Pentecostal |
| Marian Middle School | 22.6 |
Alternative/other | 6-8 | 61 | 14.2 | Roman Catholic |
| Trinity Lutheran School | 22.6 |
Regular elementary or secondary | 1-8 | 31 | 13.5 | Lutheran Church - Missouri Synod |
| St Ferdinand School | 22.9 |
Regular elementary or secondary | KG-8 | 258 | 16.2 | Roman Catholic |
| Cathedral Basilica Of St Louis | 22.9 |
Regular elementary or secondary | Pre-KG-8 | 123 | 11.3 | Roman Catholic |
| St Cecilia School | 23.0 |
Regular elementary or secondary | KG-8 | 131 | 12.5 | Roman Catholic |
| St Lukes Lutheran School | 23.2 |
Regular elementary or secondary | Pre-KG-8 | 53 | 13.2 | Lutheran Church - Missouri Synod |
| Sacred Heart Elementary School | 23.5 |
Regular elementary or secondary | 1-8 | 348 | 17.9 | Roman Catholic |
| Sacred Heart Kindergarten | 23.6 |
Early childhood program/child care center | Pre-KG-KG | 54 | 20.8 | Roman Catholic |
| St Sabina School | 23.7 |
Regular elementary or secondary | Pre-KG-8 | 169 | 9.9 | Roman Catholic |
| Transformation Christian School | 23.8 |
Regular elementary or secondary | 1-5 | 50 | 8.5 | Christian (no specific denomination) |
| Loyola Academy Of St Louis | 23.9 |
Regular elementary or secondary | 6-8 | 53 | 7.0 | Roman Catholic |
| St Clare Catholic | 24.0 |
Regular elementary or secondary | Pre-KG-8 | 69 | 8.6 | Roman Catholic |
| St Frances Cabrini Academy | 24.0 |
Regular elementary or secondary | KG-8 | 165 | 18.3 | Roman Catholic |
| Atonement Lutheran School | 24.0 |
Regular elementary or secondary | Pre-KG-8 | 220 | 21.1 | Evangelical Lutheran Church in America |
| St Matthew Lutheran School | 24.2 |
Regular elementary or secondary | Pre-KG-8 | 59 | 11.8 | Lutheran Church - Missouri Synod |
| De La Salle Middle School | 24.3 |
Regular elementary or secondary | 6-8 | 50 | 7.8 | Roman Catholic |
| Praise Tabernacle Christian Academy | 24.3 |
Regular elementary or secondary | Pre-KG-3 | 26 | 6.3 | Christian (no specific denomination) |
| St Louis Catholic Academy | 24.4 |
Regular elementary or secondary | Pre-KG-8 | 151 | 12.7 | Roman Catholic |
| St Louis Unified School | 24.4 |
Regular elementary or secondary | Pre-KG-8 | 38 | 12.7 | Seventh-Day Adventist |
| Academy At St Rose Philippine Duchesne | 24.4 |
Special education | 1-8 | 77 | 14.3 | Roman Catholic |
| St Rose Philippine Duchesne School | 24.8 |
Regular elementary or secondary | Pre-KG-8 | 303 | 14.8 | Roman Catholic |
