[+] Show Closed Private Schools in St. Louis City, Missouri

Overview

Trends in Total Number of Private Schools

Year	St. Louis City Total Schools
2025	36
2024	38
2023	36
2022	37
2021	42
2020	44
2019	45
2018	48
2017	46
2015	47

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The number of private schools in St. Louis City County fell from 47 in 2015 to 36 in 2025.

# Students

6,220 Students

119,592 Students

View Data

Trends in the Average Number of Students Per Private School

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	204	194	179
2024	194	190	172
2023	208	185	174
2022	206	196	185
2021	206	192	180
2020	206	183	171
2019	206	184	175
2018	200	183	172
2017	215	190	180
2015	220	180	167

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The average number of students per private school in St. Louis City County fell from 220 in 2015 to 204 in 2025.

% Average Students of Color

50%

21%

View Data

Percentage of Students of Color Trends (2015-2025)

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	50%	20%	34%
2024	50%	21%	34%
2023	45%	20%	33%
2022	43%	18%	33%
2021	42%	18%	32%
2020	40%	19%	32%
2019	38%	18%	31%
2018	38%	18%	31%
2017	40%	21%	32%
2015	37%	20%	32%

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Academics and Faculty:

# Teachers

585 Teachers

9,961 Teachers

Average Student-Teacher Ratio

12:1

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Student-Teacher Ratio Trends (2015-2025)

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	12:1	12:1	11:1
2024	12:1	12:1	11:1
2023	12:1	13:1	11:1
2022	12:1	13:1	11:1
2021	13:1	13:1	11:1
2020	13:1	13:1	12:1
2019	13:1	12:1	12:1
2018	13:1	13:1	12:1
2017	13:1	12:1	12:1
2015	13:1	12:1	12:1

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% Average Faculty w/Advanced Degree

70%

56%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	74%	56%	55%
2024	73%	55%	54%
2023	72%	55%	54%
2022	70%	55%	54%
2021	70%	55%	54%
2020	74%	56%	54%
2019	74%	54%	53%
2018	70%	53%	53%
2017	68%	53%	53%
2015	62%	50%	52%

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Average Class Size

16 students

View Data

Class Size Trends (2015-2025)

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	16	15	15
2024	16	15	15
2023	17	15	15
2022	16	15	15
2021	16	15	15
2020	15	15	15
2019	15	15	15
2018	15	15	15
2017	16	15	15
2015	15	15	15

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Average class size in St. Louis City private schools was 16 students in 2025, 1 higher than Missouri and the United States at 15.

Average Number of AP Courses

26 courses

15 courses

Average ACT score

(Out of 36)

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$13,145

$12,016

View Data

Tuition Cost Trends (2021-2025)

Year	St. Louis City Median	Missouri (MO) Median	National Median
2025	$10,960	$8,005	$8,480
2024	$9,860	$7,856	$8,100
2023	$8,923	$7,418	$7,707
2022	$8,923	$7,000	$7,500
2021	$8,923	$6,900	$7,250

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Each figure is the median of the individual reporting schools in that year. The reporting schools can vary from year to year, so a change in the median is not the change experienced by the same schools.

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Median tuition in St. Louis City rose from $8,923 in 2021 to $10,960 in 2025, and it was higher than Missouri and the United States.

Average Summer Program Cost

$275

$728

Average % on Financial Aid

67%

36%

Average Financial Aid Grant

$11,113

$5,725

Average Acceptance Rate

75%

89%

Average Endowment Size

$31 million

$19.9 million

Students by Ethnicity:

0.70

0.55

View Data

Diversity Score Trends

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	0.69	0.55	0.65
2024	0.69	0.56	0.65
2023	0.66	0.54	0.65
2022	0.66	0.52	0.64
2021	0.66	0.52	0.64
2020	0.67	0.52	0.64
2019	0.62	0.50	0.63
2018	0.63	0.50	0.63
2017	0.61	0.46	0.61
2015	0.60	0.45	0.61

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# American Indian Students

7 Students

283 Students

% American Indian Students

<1%

# Asian Students

284 Students

3,147 Students

% Asian Students

View Data

Asian Student Percentage Trends

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	4%	4%	5%
2024	5%	4%	5%
2023	4%	3%	5%
2022	5%	4%	4%
2021	4%	3%	4%
2020	4%	3%	4%
2019	3%	3%	4%
2018	4%	3%	4%
2017	3%	2%	4%
2015	3%	3%	4%

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# Hispanic Students

665 Students

5,325 Students

% Hispanic Students

10%

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Hispanic Student Percentage Trends

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	10%	5%	9%
2024	10%	4%	9%
2023	8%	3%	9%
2022	7%	3%	8%
2021	7%	3%	9%
2020	6%	3%	9%
2019	5%	3%	8%
2018	4%	3%	8%
2017	4%	2%	8%
2015	4%	2%	8%

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# Black Students

1,796 Students

7,603 Students

% Black Students

26%

View Data

Black Student Percentage Trends

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	26%	6%	7%
2024	26%	7%	7%
2023	25%	7%	8%
2022	23%	6%	7%
2021	24%	7%	7%
2020	24%	7%	8%
2019	22%	7%	7%
2018	23%	7%	7%
2017	23%	7%	7%
2015	21%	7%	8%

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# White Students

3,232 Students

73,073 Students

% White Students

46%

62%

View Data

White Student Percentage Trends

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	47%	62%	52%
2024	46%	62%	52%
2023	51%	64%	52%
2022	52%	66%	54%
2021	51%	66%	54%
2020	51%	66%	54%
2019	56%	68%	56%
2018	54%	68%	56%
2017	57%	71%	58%
2015	58%	72%	58%

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# Hawaiian Students

30 Students

218 Students

% Hawaiian Students

<1%

# Others Students

991 Students

27,533 Students

% of Others Students

14%

24%

View Data

Other Races Student Percentage Trends

Year	St. Louis City Average	Missouri (MO) Average	National Average
2025	13%	23%	26%
2024	13%	23%	26%
2023	12%	23%	25%
2022	13%	21%	25%
2021	14%	21%	25%
2020	15%	21%	24%
2019	14%	19%	24%
2018	15%	19%	23%
2017	13%	18%	22%
2015	14%	16%	21%

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The share of private school students identifying as other races in St. Louis City was 13% in 2025, 10 points lower than Missouri’s 23% and 13 points lower than the national 26%.

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

20 extracurriculars

10 extracurriculars

Average Number of Sports

9 sports

7 sports

Frequently Asked Questions

What are the top ranked private schools in St. Louis City, MO?

The private schools in St. Louis City, MO include MAP St. Louis, Central Institute for the Deaf, and St. Louis University High School.

How many private schools are located in St. Louis City?

37 private schools are located in St. Louis City.

How much do private schools cost in St. Louis City?

The average tuition cost is $13,145, which is higher than the Missouri private school average tuition cost of $12,016.

How diverse are private schools in St. Louis City?

St. Louis City private schools are approximately 50% minority students, which is higher than the Missouri private school average of 21%.

What percentage of students in St. Louis City go to private school?

17% of all K-12 students in St. Louis City are educated in private schools (compared to the MO state average of 12%).

What percentage of private schools are religiously affiliated in St. Louis City?

68% of private schools in St. Louis City are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).

Which private schools in St. Louis City are often viewed compared to one another?

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