Private Schools in Illinois
Independent profiles from public federal data (NCES Private School Universe Survey). COSMIQ is not affiliated with any school, and does not host user reviews or ratings.
197 private K-12 schools in Illinois. Select a school to see enrollment, grade span, affiliation, and student-teacher ratio.
American SchoolLansing, IL · Nonsectarian · Grades 6–12
3,007 students
Univ of Chicago Lab SchoolChicago, IL · Nonsectarian · Grades PK–12
1,930 students
Marist High SchoolChicago, IL · Catholic · Grades 9–12
1,657 students
St Ignatius College PrepChicago, IL · Catholic · Grades 9–12
1,473 students
Benet AcademyLisle, IL · Catholic · Grades 9–12
1,265 students
The Latin School of ChicagoChicago, IL · Nonsectarian · Grades PK–12
1,126 students
Fenwick High SchoolOak Park, IL · Catholic · Grades 9–12
1,101 students
Depaul College PrepChicago, IL · Catholic · Grades 9–12
942 students
St Laurence H.s.Burbank, IL · Catholic · Grades 9–12
913 students
Marian Catholic High SchoolChicago Heights, IL · Catholic · Grades 9–12
861 students
Mother Mcauley Liberal Arts High SchoolChicago, IL · Catholic · Grades 9–12
832 students
St Viator High SchoolArlington Heights, IL · Catholic · Grades 9–12
808 students
Providence Catholic High SchoolNew Lenox, IL · Catholic · Grades 9–12
773 students
Bishop Mcnamara Catholic High SchoolKankakee, IL · Catholic · Grades PK–12
772 students
Frances Xavier Warde SchoolChicago, IL · Catholic · Grades K–8
764 students
Frances Xavier Warde SchoolChicago, IL · Catholic · Grades PK–8
764 students
Timothy Christian P-8Elmhurst, IL · Religious · Grades PK–8
752 students
Schaumburg Christian SchoolSchaumburg, IL · Religious · Grades PK–12
740 students
Joan Dachs Bais Yaakov Elementary SchoolChicago, IL · Religious · Grades K–8
740 students
Notre Dame College PrepNiles, IL · Catholic · Grades 9–12
734 students
Nazareth AcademyLa Grange Park, IL · Catholic · Grades 9–12
720 students
De La Salle Institute - Institute CampusChicago, IL · Catholic · Grades 9–12
699 students
St Francis High SchoolWheaton, IL · Catholic · Grades 9–12
697 students
Rockford Lutheran School - Jr/sr High SchoolRockford, IL · Religious · Grades PK–12
692 students
Rockford Christian SchoolsRockford, IL · Religious · Grades PK–12
685 students
Universal SchoolBridgeview, IL · Religious · Grades PK–12
666 students
Rockford Boylan Catholic High SchoolRockford, IL · Catholic · Grades 9–12
653 students
Arie Crown Hebrew Day SchoolSkokie, IL · Religious · Grades PK–8
650 students
Br Rice High SchoolChicago, IL · Catholic · Grades 9–12
648 students
Lycee Francais De ChicagoChicago, IL · Nonsectarian · Grades PK–12
646 students
Mcc Academy-elementarySkokie, IL · Religious · Grades PK–12
637 students
Sacred Heart SchoolsChicago, IL · Catholic · Grades PK–8
611 students
Joliet Catholic AcademyJoliet, IL · Catholic · Grades 9–12
597 students
Peoria Christian SchoolPeoria, IL · Religious · Grades PK–12
595 students
Peoria Christian School - MonroePeoria Heights, IL · Religious · Grades PK–12
591 students
Mount Carmel High SchoolChicago, IL · Catholic · Grades 9–12
581 students
St Benedict Preparatory SchoolChicago, IL · Catholic · Grades PK–8
579 students
St John of the Cross Parish SchoolWestern Springs, IL · Catholic · Grades K–8
567 students
St Paul of the Cross SchoolPark Ridge, IL · Catholic · Grades PK–8
566 students
Yeshivas Tiferes TzviChicago, IL · Religious · Grades K–8
543 students
Wheaton Christian Grammar SchoolWinfield, IL · Religious · Grades K–8
541 students
Maryville Christian SchoolMaryville, IL · Religious · Grades K–12
534 students
North Shore Country Day SchoolWinnetka, IL · Nonsectarian · Grades PK–12
532 students
College Preparatory School of AmericaLombard, IL · Religious · Grades PK–12
521 students
Montini Catholic High SchoolLombard, IL · Catholic · Grades 9–12
516 students
Marmion AcademyAurora, IL · Catholic · Grades 9–12
511 students
Sacred Heart Griffin High SchoolSpringfield, IL · Catholic · Grades 9–12
510 students
St Francis Xavier SchoolWilmette, IL · Catholic · Grades PK–8
498 students
St John Fisher Elementary SchoolChicago, IL · Catholic · Grades PK–8
494 students
St Barnabas Elementary SchoolChicago, IL · Catholic · Grades K–8
489 students
Resurrection College Prep High SchoolChicago, IL · Catholic · Grades 9–12
458 students
St Michael SchoolOrland Park, IL · Catholic · Grades PK–8
456 students
Immaculate Conception Grade SchoolElmhurst, IL · Catholic · Grades PK–8
456 students
Mary, Seat of Wisdom SchoolPark Ridge, IL · Catholic · Grades PK–8
455 students
St Petronille SchoolGlen Ellyn, IL · Catholic · Grades PK–8
452 students
Harvest Christian AcademyElgin, IL · Religious · Grades PK–12
444 students
Lake Forest AcademyLake Forest, IL · Nonsectarian · Grades 9–12
437 students
Immaculate Conception SchoolChicago, IL · Catholic · Grades PK–8
432 students
Immaculate Conception SchoolChicago, IL · Catholic · Grades PK–8
432 students
St Philomena SchoolPeoria, IL · Catholic · Grades PK–8
430 students
Alphonsus Academy & Center for the ArtsChicago, IL · Catholic · Grades PK–8
429 students
All Saints Catholic AcademyNaperville, IL · Catholic · Grades PK–8
427 students
Old St Marys SchoolChicago, IL · Catholic · Grades PK–8
421 students
Marquette Catholic High SchoolAlton, IL · Catholic · Grades 9–12
420 students
Catherine Cook SchoolChicago, IL · Nonsectarian · Grades PK–8
418 students
Saints Peter & Paul SchoolNaperville, IL · Catholic · Grades PK–8
417 students
Timothy Christian SchoolsElmhurst, IL · Religious · Grades 9–12
412 students
St Patrick SchoolSaint Charles, IL · Catholic · Grades PK–8
411 students
St Catherine of Alexandria SchoolOak Lawn, IL · Catholic · Grades PK–8
409 students
Cardinal Joseph Bernardin Catholic SchoolOrland Hills, IL · Catholic · Grades PK–8
408 students
Sager Solomon Schechter Day SchoolNorthbrook, IL · Religious · Grades PK–8
400 students
Seton Catholic SchoolMoline, IL · Catholic · Grades PK–8
395 students
Islamic Foundation SchoolVilla Park, IL · Religious · Grades PK–12
393 students
St Francis Xavier SchoolLa Grange, IL · Catholic · Grades PK–8
390 students
Blessed SacramentSpringfield, IL · Catholic · Grades PK–8
390 students
St Clare Catholic SchoolO Fallon, IL · Catholic · Grades PK–8
388 students
Bernard Zell Anshe Emet Day SchoolChicago, IL · Religious · Grades PK–8
386 students
Christ the King Jesuit College Preparatory SchoolChicago, IL · Catholic · Grades 9–12
386 students
St Mary Elementary SchoolMokena, IL · Catholic · Grades PK–8
385 students
Mater Dei High SchoolBreese, IL · Catholic · Grades 9–12
383 students
Near North MontessoriChicago, IL · Nonsectarian · Grades PK–8
382 students
St Clement SchoolChicago, IL · Catholic · Grades PK–8
376 students
St Nicholas Tolentine SchoolChicago, IL · Catholic · Grades PK–8
376 students
Christ the King Elementary SchoolSpringfield, IL · Catholic · Grades PK–8
372 students
Springfield Christian SchoolSpringfield, IL · Religious · Grades K–8
372 students
Hillel Torah North Suburban Day SchoolSkokie, IL · Religious · Grades PK–8
372 students
Corpus Christi Catholic SchoolBloomington, IL · Catholic · Grades PK–8
371 students
Ic Catholic PrepElmhurst, IL · Catholic · Grades 9–12
371 students
Christian Heritage AcademyNorthfield, IL · Religious · Grades PK–12
368 students
St Raymond SchoolMount Prospect, IL · Catholic · Grades PK–8
361 students
St Andrew SchoolChicago, IL · Catholic · Grades PK–8
359 students
St Peter SchoolQuincy, IL · Catholic · Grades PK–8
359 students
Marian Central Catholic High SchoolWoodstock, IL · Catholic · Grades 9–12
358 students
Holy Angels Catholic SchoolAurora, IL · Catholic · Grades PK–8
358 students
St Joseph Catholic SchoolLibertyville, IL · Catholic · Grades PK–8
357 students
St JosephDowners Grove, IL · Catholic · Grades PK–8
356 students
St Matthew SchoolChampaign, IL · Catholic · Grades PK–8
356 students
St Bridget SchoolLoves Park, IL · Catholic · Grades PK–8
353 students
British International School of Chicago, Lincoln PChicago, IL · Nonsectarian · Grades PK–5
353 students
St Patrick SchoolWadsworth, IL · Catholic · Grades PK–8
350 students
Trinity High SchoolChicago, IL · Catholic · Grades 9–12
345 students
Immaculate ConceptionColumbia, IL · Catholic · Grades PK–8
345 students
School of St MaryLake Forest, IL · Catholic · Grades PK–8
344 students
School of St Mary Upper Grade CenterLake Forest, IL · Catholic · Grades PK–8
344 students
Holy Cross Catholic SchoolBatavia, IL · Catholic · Grades PK–8
341 students
Marquette AcademyOttawa, IL · Catholic · Grades PK–12
340 students
Lake Forest Country Day SchoolLake Forest, IL · Nonsectarian · Grades PK–8
339 students
Marquette AcademyOttawa, IL · Catholic · Grades PK–12
339 students
Kankakee Trinity AcademyKankakee, IL · Religious · Grades PK–12
338 students
Parkview Christian AcademyYorkville, IL · Religious · Grades PK–12
335 students
Trinity Lutheran SchoolBloomington, IL · Religious · Grades PK–8
331 students
Gems World Academy ChicagoChicago, IL · Nonsectarian · Grades PK–12
327 students
Lutheran School AssociationDecatur, IL · Religious · Grades PK–12
322 students
Northridge Preparatory SchoolNiles, IL · Catholic · Grades 6–12
321 students
Christ the King Elementary SchoolChicago, IL · Catholic · Grades PK–8
320 students
Schlarman AcademyDanville, IL · Catholic · Grades PK–12
320 students
Holy Trinity High SchoolChicago, IL · Catholic · Grades 9–12
318 students
St Mary Immaculate Parish SchoolPlainfield, IL · Catholic · Grades PK–8
317 students
Latin School of Chicago UpperChicago, IL · Nonsectarian · Grades PK–4
316 students
Latin School of Chicago LowerChicago, IL · Nonsectarian · Grades K–4
315 students
Chicago Christian High SchoolPalos Heights, IL · Religious · Grades 9–12
314 students
St Agnes of Bohemia SchoolChicago, IL · Catholic · Grades PK–8
310 students
St Josaphat SchoolChicago, IL · Catholic · Grades PK–8
309 students
Our Lady of the Wayside SchoolArlington Heights, IL · Catholic · Grades PK–8
309 students
Schlarman AcademyDanville, IL · Catholic · Grades PK–12
308 students
Althoff Catholic High SchoolBelleville, IL · Catholic · Grades 9–12
305 students
St Pius X Elementary SchoolLombard, IL · Catholic · Grades PK–8
305 students
Westminster Christian SchoolElgin, IL · Religious · Grades PK–12
304 students
Cheder Lubavitch Hebrew Day SchoolChicago, IL · Religious · Grades PK–8
300 students
Rogers Park Montessori SchoolChicago, IL · Nonsectarian · Grades PK–8
300 students
Cathedral of St Raymond SchoolJoliet, IL · Catholic · Grades PK–8
297 students
Daystar AcademyChicago, IL · Religious · Grades K–11
296 students
Central Catholic High SchoolBloomington, IL · Catholic · Grades 9–12
295 students
St Gilbert Elementary SchoolGrayslake, IL · Catholic · Grades PK–8
292 students
Jordan Catholic SchoolRock Island, IL · Catholic · Grades PK–8
292 students
Quad Cities Christian SchoolMoline, IL · Religious · Grades PK–12
289 students
Epiphany Catholic SchoolNormal, IL · Catholic · Grades PK–8
288 students
Holy Family Catholic SchoolRockford, IL · Catholic · Grades PK–8
288 students
St Mary SchoolAlton, IL · Catholic · Grades PK–8
286 students
Queen of Angels Elementary SchoolChicago, IL · Catholic · Grades PK–8
284 students
Bennett Day SchoolChicago, IL · Nonsectarian · Grades PK–11
283 students
St Bede AcademyPeru, IL · Catholic · Grades 9–12
282 students
St Mary Elementary SchoolRiverside, IL · Catholic · Grades PK–8
281 students
Calvary AcademySpringfield, IL · Religious · Grades PK–12
280 students
Calvary AcademySouth Holland, IL · Religious · Grades K–8
280 students
Most Holy Redeemer Elementary SchoolEvergreen Park, IL · Catholic · Grades K–8
279 students
Avery Coonley SchoolDowners Grove, IL · Nonsectarian · Grades PK–8
279 students
All Saints AcademyBreese, IL · Catholic · Grades PK–8
279 students
St Linus Elementary SchoolOak Lawn, IL · Catholic · Grades PK–8
278 students
St Gerald SchoolOak Lawn, IL · Catholic · Grades PK–8
277 students
St Johns Lutheran SchoolMattoon, IL · Religious · Grades K–8
277 students
St Johns Lutheran SchoolMattoon, IL · Religious · Grades PK–8
277 students
Chicago Hope AcademyChicago, IL · Religious · Grades 9–12
276 students
St Teresa High SchoolDecatur, IL · Catholic · Grades 7–12
275 students
Providence St. Mel SchoolChicago, IL · Nonsectarian · Grades PK–12
273 students
St Joan of ArcLisle, IL · Catholic · Grades PK–8
273 students
Alleman High SchoolRock Island, IL · Catholic · Grades 9–12
272 students
St Peter Lutheran SchoolArlington Heights, IL · Religious · Grades PK–8
272 students
Next Generation SchoolChampaign, IL · Nonsectarian · Grades K–8
270 students
Walther Christian AcademyMelrose Park, IL · Religious · Grades 6–12
268 students
St Thomas the ApostleChicago, IL · Catholic · Grades PK–8
267 students
St Francis De Sales SchoolLake Zurich, IL · Catholic · Grades PK–8
267 students
Rosary High SchoolAurora, IL · Catholic · Grades 9–12
265 students
Parkland Preparatory AcademyBartlett, IL · Nonsectarian · Grades K–12
265 students
Southwest Chicago Christian School-tinley ParkTinley Park, IL · Religious · Grades PK–8
264 students
St Cletus SchoolLa Grange, IL · Catholic · Grades PK–8
264 students
First Baptist AcademyO Fallon, IL · Religious · Grades K–12
263 students
Father Mcgivney Catholic H SGlen Carbon, IL · Catholic · Grades 9–12
263 students
Mcc Academy College PrepMorton Grove, IL · Religious · Grades 3–12
263 students
St Matthias SchoolChicago, IL · Catholic · Grades K–8
255 students
St Athanasius SchoolEvanston, IL · Catholic · Grades PK–8
254 students
St Luke SchoolRiver Forest, IL · Catholic · Grades PK–8
254 students
Evangelical SchoolGodfrey, IL · Religious · Grades PK–8
253 students
St Edward Central Catholic High SchoolElgin, IL · Catholic · Grades 9–12
252 students
St Damian SchoolOak Forest, IL · Catholic · Grades PK–8
251 students
Bennett Day SchoolChicago, IL · Nonsectarian · Grades PK–11
250 students
Parkland Preparatory AcademyBartlett, IL · Nonsectarian · Grades K–12
250 students
Science & Arts AcademyDes Plaines, IL · Nonsectarian · Grades PK–8
249 students
Trinity Christian SchoolShorewood, IL · Religious · Grades K–8
247 students
Holy Family SchoolChicago, IL · Religious · Grades PK–8
243 students
St Raphael Catholic SchoolNaperville, IL · Catholic · Grades PK–8
241 students
Cross Evangelical Lutheran SchoolYorkville, IL · Religious · Grades PK–8
240 students
St Peter SchoolGeneva, IL · Catholic · Grades PK–8
238 students
Chicago Waldorf SchoolChicago, IL · Nonsectarian · Grades PK–12
238 students
St Jude Catholic SchoolPeoria, IL · Catholic · Grades PK–8
237 students
Quest AcademyPalatine, IL · Nonsectarian · Grades PK–8
234 students
Logos Christian AcademyNiles, IL · Religious · Grades PK–12
234 students
St Edward SchoolChicago, IL · Catholic · Grades PK–8
233 students
Good Shepherd Lutheran SchoolCollinsville, IL · Religious · Grades PK–8
231 students
Rockford Lutheran AcademyRockford, IL · Religious · Grades PK–5
231 students
St Helen SchoolChicago, IL · Catholic · Grades PK–8
228 students
St Walter St Benedict Elementary SchoolBlue Island, IL · Catholic · Grades PK–8
228 students
Zion Lutheran SchoolBelleville, IL · Religious · Grades PK–8
228 students
St Thomas the Apostle SchoolPeoria Heights, IL · Catholic · Grades PK–8
227 students
St Christopher SchoolMidlothian, IL · Catholic · Grades PK–8
224 students
Our Lady of Mt Carmel SchoolHerrin, IL · Catholic · Grades PK–8
224 students
Little Flower Catholic SchoolSpringfield, IL · Catholic · Grades PK–8
223 students
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