Private high schools in Missouri (163)

By city

The 40 largest

School	City	Grades	Students	Per teacher	Affiliation
Greenways Academy	Saint Louis	1-12	3,015	not reported	Nonsectarian
MICDS	Saint Louis	PreK-12	1,220	8.9	Nonsectarian
Summit Christian Academy	Lees Summit	PreK-12	1,135	12.6	Christian (nondenominational)
St. Dominic High School	O'Fallon	9-12	1,087	16.7	Roman Catholic
The Pembroke Hill School - Wornall Campus	Kansas City	PreK-12	1,045	9.5	Nonsectarian
St. Louis University High School	Saint Louis	9-12	1,036	11.8	Roman Catholic, all-boys
Westminster Christian Academy	Town and Country	7-12	940	10.7	Presbyterian
Rockhurst High School	Kansas City	9-12	888	13	Roman Catholic, all-boys
Chaminade College Preparatory School	Saint Louis	6-12	872	10.3	Roman Catholic, all-boys
Gloria Deo	Springfield	PreK-12	833	10.4	Christian (nondenominational)
The Barstow School	Kansas City	PreK-12	714	11.5	Nonsectarian
Helias Catholic High School	Jefferson City	9-12	680	19.4	Roman Catholic
Christian School District	O'Fallon	PreK-12	596	13.4	Christian (nondenominational)
St. Joseph's Academy	Saint Louis	9-12	587	12	Roman Catholic, all-girls
St. John Vianney High School	Kirkwood	9-12	581	11.6	Roman Catholic, all-boys
College Heights Christian School	Joplin	PreK-12	571	12	Christian (nondenominational)
St. Teresa's Academy	Kansas City	9-12	570	11.4	Roman Catholic, all-girls
Visitation Academy	Saint Louis	PreK-12	555	8.9	Roman Catholic, all-girls
Lutheran High School South	Saint Louis	9-12	550	13.4	Lutheran Church (Missouri Synod)
Notre Dame de Sion School	Kansas City	PreK-12	544	8.3	Roman Catholic
Notre Dame de Sion High School	Kansas City	PreK-12	539	9.1	Roman Catholic
Cor Jesu Academy	Saint Louis	9-12	519	10.5	Roman Catholic, all-girls
Villa Duchesne Upper and Lower School	Saint Louis	PreK-12	465	8.9	Roman Catholic
Lutheran High School of St. Charles County	Saint Peters	9-12	460	15.3	Lutheran Church (Missouri Synod)
Villa Duchesne School	Saint Louis	PreK-12	459	3.8	Roman Catholic
Cardinal Ritter College Prep High School	Saint Louis	9-12	453	13.3	Roman Catholic
St. Joseph Christian School	Saint Joseph	PreK-12	452	13	Christian (nondenominational)
St. Francis Borgia High School	Washington	9-12	452	15.6	Roman Catholic
St. Vincent de Paul Jr/Sr Schools	Perryville	PreK-12	446	12.6	Roman Catholic
Christian Fellowship School	Columbia	PreK-12	433	11	Christian (nondenominational)
Greenwood Laboratory School	Springfield	K-12	431	14.4	Nonsectarian
Principia School	Saint Louis	PreK-12	423	7.7	Other religious
St. Pius X High School	Kansas City	9-12	415	11.9	Roman Catholic
Whitfield School	Saint Louis	6-12	407	9.1	Nonsectarian
Springfield Catholic High School	Springfield	9-12	379	11.3	Roman Catholic
Ursuline Academy	Saint Louis	9-12	363	11.7	Roman Catholic, all-girls
Lutheran High School North	Saint Louis	6-12	335	12.7	Lutheran Church (Missouri Synod)
Islamic School of Greater Kansas City	Kansas City	PreK-12	332	11.7	Islamic
Valle Catholic Schools	Sainte Genevieve	PreK-12	305	11.6	Roman Catholic
St. Louis Priory School	Saint Louis	7-12	299	8.4	Roman Catholic, all-boys

Other kinds of school in Missouri

What Missouri pays

MO

MOScholars Tax-credit scholarship

Up to $7,145 per student for 2026-27, more for some students The 2026-27 maximum is $7,145 for most students, up to $8,931 for students eligible for free or reduced lunch, $11,432 for English learners and $12,504 for students with an IEP. These are ceilings: assistance organizations may award less, and the average award in 2025-26 was $6,831.

Figures read from each program’s official pages, October 2, 2026. Sources and how to apply

Get one email when applications open

Most programs open once a year, and several ran out of money or seats in 2026. Pick your state and we will email you the day the next window opens, with the official link. That is the only email you get.

One email per application window. No calls, no sharing your details.