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Best St. Louis County Private High Schools (2026)

[+] Show Closed 91��Ƭ��s in St. Louis County, Missouri

St. Louis County 91��Ƭ��s (Closed)

School

Location

Quick Facts

Ascension St. Paul School (Closed 2004)

(Catholic)

3801 Nelson Drive
Saint Louis, MO 63121
(314) 261-1592

Gr: K-8 | 144 students

Barat Academy (Closed 2025)

(Catholic)

17815 Wild Horse Creek Rd
Chesterfield, MO 63005
(636) 300-5555

Gr: 6-12 | 100 students

Bethel Lutheran School (Closed 2024)

Montessori School

7001 Forsyth Blvd
Saint Louis, MO 63105
(314) 863-3111

Gr: PK-8 | 58 students

Cornerstone Academy (Closed 2017)

(Christian)

74 Kearney St
Saint Louis, MO 63125
(314) 845-8788

Gr: K-8 | 72 students

Corpus Christi District School (Closed 2004)

(Catholic)

2100 Switzer Avenue
Saint Louis, MO 63136
(314) 388-0468

Gr: PK-8 | 134 students

Grace Boys Ranch (Closed 2019)

All-boys | Special Education School (Christian)

10421 Apke
Catawissa, MO 63015
(314) 503-5332

Gr: 3-11 | 5 students

Hope Lutheran School-st Ann (Closed 2016)

(Lutheran Church Missouri Synod)

10701 Saint Cosmas Ln
Saint Ann, MO 63074
(314) 429-0988

Gr: K-9 | 53 students

Martin Luther King Junior Academy (Closed 2020)

(Seventh Day Adventist)

8646 Jennings Station Rd
Saint Louis, MO 63136
(314) 868-5541

Gr: PK-12 | 45 students

Our Lady Of Fatima School (Closed 2004)

(Catholic)

4500 Washington St
Florissant, MO 63033
(314) 921-0437

Gr: PK-8 | 167 students

St. Catherine-alexandria School (Closed 2000)

(Catholic)

10014 Diamond Drive
Saint Louis, MO 63137
(314) 869-0515

Gr: K-8 | 131 students

St. George School (Closed 2004)

(Catholic)

4974 Heege Rd
Saint Louis, MO 63123
(314) 832-6432

Gr: K-8 | 154 students

St. Lawrence The Martyr School (Closed 2004)

(Catholic)

4329 Dupage Dr
Bridgeton, MO 63044
(314) 739-3123

Gr: PK-8 | 163 students

St. Luke The Evangelist (Closed 2006)

(Catholic)

1414 Bellevue Avenue
Saint Louis, MO 63117
(314) 781-2072

Gr: PK-8 | 130 students

St. Mark School (Closed 2023)

(Catholic)

4220 Ripa Ave
Saint Louis, MO 63125
(314) 743-8641

Gr: PK-8 | 135 students Avg. class size: 18 students Tuition & acceptance rate listed

St. Martin De Porres Elementary School (Closed 2004)

(Catholic)

631 Undercliff Dr
Hazelwood, MO 63042
(314) 895-3600

Gr: K-8 | 144 students

St. Matthias The Apostle School (Closed 2004)

(Catholic)

800 Buckley Rd
Saint Louis, MO 63125
(314) 892-7500

Gr: K-8 | 149 students

St. Monica Elementary School (Closed 2026)

(Catholic)

12132 Olive Blvd
Saint Louis, MO 63141
(314) 434-2173

Gr: PK-8 | 216 students

St. Vincent Home/school (Closed 2010)

Special Education School

7401 Florissant Rd
Saint Louis, MO 63121
(314) 261-6011

Gr: 7-12 | 22 students

Torah Prep School - Girls Division (Closed 2019)

All-girls (Jewish)

8659 Olive Blvd
Saint Louis, MO 63132
(314) 569-2929

Gr: PK-8 | 545 students

Trinity Catholic High School (Closed 2018)

(Catholic)

1720 Redman Rd
Saint Louis, MO 63138
(314) 741-1333

Gr: 9-12 | 335 students Avg. class size: 15 students Tuition & acceptance rate listed

Westwood Junior Academy (Closed 2025)

(Seventh Day Adventist)

16601 Wild Horse Creek Rd
Chesterfield, MO 63005
(636) 519-8222

Gr: PK-7 | 26 students

Overview

This County (St. Louis County)

This State (MO)

# Schools

56 Schools

View Data

Trends in Total Number of Private High Schools
Year	St. Louis County Total Schools
2025	56
2024	60
2023	57
2022	51
2021	53
2020	54
2019	54
2018	56
2017	60
2016	77
2015	68

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Student Body:

# Students

16,088 Students

54,320 Students

View Data

Trends in the Average Number of Students Per Private High School
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	293	250	253
2024	315	252	245
2023	286	236	247
2022	307	243	257
2021	300	236	249
2020	299	230	235
2019	297	217	242
2018	291	216	238
2017	305	218	246
2016	292	216	241
2015	301	204	220

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% Average Students of Color

25%

22%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	25%	22%	32%
2024	27%	23%	31%
2023	29%	22%	31%
2022	26%	20%	30%
2021	26%	20%	30%
2020	26%	20%	29%
2019	26%	21%	29%
2018	24%	20%	28%
2017	21%	20%	30%
2016	23%	19%	30%
2015	20%	18%	30%

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Academics and Faculty:

# Teachers

1,925 Teachers

5,130 Teachers

Average Student-Teacher Ratio

9:1

11:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	9:1	11:1	10:1
2024	9:1	11:1	10:1
2023	9:1	11:1	10:1
2022	10:1	11:1	10:1
2021	9:1	11:1	10:1
2020	10:1	11:1	10:1
2019	9:1	10:1	10:1
2018	9:1	10:1	10:1
2017	10:1	11:1	10:1
2016	10:1	11:1	10:1
2015	10:1	11:1	10:1

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% Average Faculty w/Advanced Degree

69%

60%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	69%	59%	57%
2024	69%	58%	57%
2023	70%	58%	57%
2022	70%	59%	56%
2021	69%	61%	56%
2020	68%	61%	56%
2019	64%	58%	55%
2018	64%	57%	55%
2017	65%	57%	55%
2016	62%	55%	54%
2015	58%	52%	54%

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Average Class Size

14 students

View Data

Class Size Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	15	15	14
2024	15	14	14
2023	14	15	14
2022	14	15	14
2021	14	14	14
2020	14	14	14
2019	14	14	14
2018	14	14	14
2017	14	14	14
2016	15	15	14
2015	14	14	14

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Average Number of AP Courses

17 courses

16 courses

View Data

Trends in Average Number of AP Courses Offered
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	18	16	13
2024	14	14	12
2023	14	13	12
2022	15	14	12
2021	14	15	12
2020	14	15	12
2019	13	14	11
2018	12	13	11
2017	12	13	11
2016	13	12	11
2015	12	10	10

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Average SAT score

1303

(Out of 1600)

1291

View Data

SAT Score Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	1,303	1,291	1,233
2024	1,317	1,291	1,231
2023	1,312	1,290	1,229
2022	1,328	1,297	1,230
2021	1,378	1,306	1,230
2020	1,379	1,306	1,227
2019	1,390	1,311	1,226
2018	1,378	1,283	1,226
2017	1,362	1,316	1,233
2016	1,250	1,367	1,308
2015	1,250	1,378	1,265

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Average ACT score

(Out of 36)

View Data

ACT Score Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	26	26	26
2024	27	26	26
2023	26	26	26
2022	27	26	26
2021	27	26	26
2020	27	26	26
2019	27	26	25
2018	26	26	25
2017	27	26	25
2016	26	25	25
2015	26	25	25

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$19,995

$14,864

View Data

Tuition Cost Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	$19,944	$15,027	$17,997
2024	$19,498	$13,643	$17,011
2023	$16,625	$12,314	$16,191
2022	$16,242	$12,186	$15,821
2021	$15,404	$11,712	$15,331
2020	$15,113	$11,851	$15,046
2019	$15,479	$11,981	$14,791
2018	$15,087	$12,201	$14,527
2017	$15,755	$12,144	$14,161
2016	$14,190	$11,522	$13,713
2015	$15,789	$11,945	$13,065

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Average Summer Program Cost

$556

$326

View Data

Summer Program Cost Trends (2018-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	$708	$340	$1,513
2024	$708	$388	$1,498
2023	$1,117	$556	$1,623
2022	$1,117	$543	$1,473
2021	$1,183	$770	$1,580
2020	$1,183	$770	$1,743
2019	$1,215	$708	$1,900
2018	$1,215	$758	$1,724

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Average % on Financial Aid

36%

38%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	35%	37%	38%
2024	35%	37%	37%
2023	37%	38%	36%
2022	37%	38%	36%
2021	37%	38%	36%
2020	36%	36%	35%
2019	34%	34%	34%
2018	34%	34%	33%
2017	33%	33%	32%
2016	37%	33%	31%
2015	35%	36%	30%

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Average Financial Aid Grant

$10,826

$7,236

View Data

Financial Aid Grant Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	$10,826	$7,141	$9,714
2024	$10,533	$7,047	$9,498
2023	$8,579	$5,902	$8,890
2022	$9,225	$5,907	$8,717
2021	$8,664	$5,938	$8,472
2020	$8,639	$6,305	$8,370
2019	$9,217	$6,588	$7,924
2018	$8,045	$5,783	$7,471
2017	$6,370	$5,025	$7,202
2016	$6,511	$5,519	$6,993
2015	$6,514	$4,986	$6,822

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Average Acceptance Rate

84%

85%

View Data

Acceptance Rate Trends (2015-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	84%	85%	79%
2024	84%	87%	81%
2023	86%	87%	81%
2022	86%	87%	81%
2021	87%	87%	81%
2020	85%	86%	81%
2019	81%	85%	81%
2018	82%	85%	80%
2017	83%	85%	81%
2016	91%	90%	80%
2015	91%	89%	81%

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Average Endowment Size

$10.02 million

$28.86 million

View Data

Endowment Trends (2017-2025)
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	$10 M	$31 M	$65 M
2024	$7 M	$17 M	$65 M
2023	$3 M	$18 M	$65 M
2022	$5 M	$16 M	$67 M
2021	$5 M	$16 M	$75 M
2020	$5 M	$16 M	$76 M
2019	$2 M	$22 M	$61 M
2018	$2 M	$22 M	$55 M
2017	$19 M	$19 M	$57 M

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Students by Ethnicity:

0.46

0.54

View Data

Diversity Score Trends
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	0.45	0.54	0.61
2024	0.47	0.54	0.60
2023	0.44	0.52	0.60
2022	0.40	0.49	0.58
2021	0.42	0.49	0.57
2020	0.43	0.49	0.57
2019	0.42	0.48	0.56
2018	0.41	0.47	0.55
2017	0.37	0.41	0.54
2016	0.39	0.40	0.54
2015	0.38	0.40	0.53

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# American Indian Students

73 Students

199 Students

% American Indian Students

n/a

View Data

Percentage of Private High School Students of American Indian Trends
Year	St. Louis County Average	Missouri (MO) Average	National Average
2019	1%	1%	1%
2018	1%	1%	1%

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# Asian Students

547 Students

1,840 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	4%	5%	5%
2024	7%	5%	6%
2023	5%	4%	6%
2022	4%	5%	5%
2021	4%	5%	5%
2020	4%	5%	5%
2019	4%	3%	5%
2018	4%	3%	5%
2017	2%	3%	4%
2016	2%	3%	4%
2015	2%	2%	4%

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# Hispanic Students

490 Students

2,584 Students

% Hispanic Students

View Data

Hispanic Student Percentage Trends
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	3%	5%	9%
2024	3%	5%	9%
2023	3%	3%	8%
2022	3%	3%	8%
2021	3%	3%	8%
2020	3%	3%	8%
2019	2%	3%	8%
2018	2%	3%	8%
2017	1%	2%	7%
2016	2%	2%	8%
2015	2%	3%	8%

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# Black Students

1,454 Students

3,859 Students

% Black Students

10%

View Data

Black Student Percentage Trends
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	10%	7%	8%
2024	10%	8%	8%
2023	11%	8%	8%
2022	9%	7%	8%
2021	11%	8%	8%
2020	12%	8%	8%
2019	12%	9%	8%
2018	12%	9%	8%
2017	10%	7%	8%
2016	12%	7%	8%
2015	10%	8%	9%

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# White Students

10,598 Students

33,537 Students

% White Students

72%

65%

View Data

White Student Percentage Trends
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	73%	65%	59%
2024	71%	65%	60%
2023	74%	67%	60%
2022	77%	69%	62%
2021	75%	70%	63%
2020	74%	70%	64%
2019	75%	71%	64%
2018	76%	71%	65%
2017	78%	76%	66%
2016	77%	76%	66%
2015	78%	77%	66%

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# Hawaiian Students

20 Students

91 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

1,444 Students

9,195 Students

% of Others Students

10%

18%

View Data

Other Races Student Percentage Trends
Year	St. Louis County Average	Missouri (MO) Average	National Average
2025	9%	18%	17%
2024	9%	17%	15%
2023	6%	17%	16%
2022	6%	16%	16%
2021	5%	14%	15%
2020	6%	14%	14%
2019	5%	13%	14%
2018	4%	13%	13%
2017	8%	12%	14%
2016	6%	12%	13%
2015	7%	10%	12%

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All Ethnic Groups