Private School Review - Established 2003

Marietta Private Schools (2026)

For the 2026 school year, there are 3 private schools serving 432 students in Marietta, OH, 15% of all K-12 students in Marietta, OH are educated in private schools versus public schools (compared to the OH state average of 12%).
The average acceptance rate is 100%, which is higher than the Ohio private school average acceptance rate of 85%.
100% of private schools in Marietta, OH are religiously affiliated (most commonly Catholic and Christian).

Quick Facts (2026)

Quick Facts (2026)

Top Ranked Marietta Private Schools (2026)

Map of St. Mary School
St. Mary School
Gr: K-8 | 168 students
Catholic
320 Marion St
Marietta, OH 45750
(740) 374-8181
View Profile
Map of Oak Grove Christian School
Oak Grove Christian School
Gr: PK-4 | 137 students
Christian
535 Bf Goodrich Rd
Marietta, OH 45750
(740) 336-5041
View Profile
Map of St. John Central Grade School
St. John Central Grade School
Gr: PK-8 | 127 students
Avg. class size: 15 students
Catholic
17654 State Route 676
Marietta, OH 45750
(740) 896-2697
View Profile

Marietta, OH Private School Trends (10-Year)

3
Private Schools
432
Students
+27.8% (+94 students) 10-yr
$6,000
Avg. Tuition
+300.0% (+$4,500) 10-yr
15
Avg. Class Size
+275.0% (+11 students) 10-yr
4%
Students of Color
-55.6% (-5.0 pp) 10-yr
17:1
Student-Teacher Ratio
+21.4% (+3.0) 10-yr
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Marietta)
This State (OH)
# Schools
3 Schools
1,310 Schools
# Students
432 Students
231,311 Students

Trends in the Average Number of Students Per Private School

YearMarietta, OH AvgOhio (OH)National
2025144195179
2024144183172
2023144189174
2022141228185
2021140218180
2020140183171
2019111188175
2018111186172
2017113228180
2016113225178
2015113208167
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Students of Color
4%
25%

Percentage of Students of Color Trends (2015-2025)

YearMarietta, OH AvgOhio (OH)National
20254%25%34%
20244%25%34%
20235%24%33%
20224%22%33%
20214%21%32%
20204%21%32%
20195%20%31%
20185%19%31%
20179%23%32%
20169%23%32%
20159%24%32%
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0.44
0.59

Diversity Score Trends

YearMarietta, OH AvgOhio (OH)National
20250.440.580.65
20240.440.580.65
20230.500.560.65
20220.350.540.64
20210.470.540.64
20200.470.530.64
20190.390.510.63
20180.390.510.63
20170.380.480.61
20160.380.480.61
20150.380.470.61
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▼ Show more data/charts: racial breakdown
# American Indian Students
n/a
1,332 Students
% American Indian Students
n/a
1%
# Asian Students
2 Students
5,039 Students
% Asian Students
1%
2%

Asian Student Percentage Trends

YearMarietta, OH AvgOhio (OH)National
20191%2%4%
20181%2%4%
20172%2%4%
20162%2%4%
20152%3%4%
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# Hispanic Students
5 Students
10,835 Students
% Hispanic Students
1%
5%

Hispanic Student Percentage Trends

YearMarietta, OH AvgOhio (OH)National
20252%5%9%
20242%5%9%
20232%4%9%
20222%3%8%
20212%3%9%
20202%3%9%
20193%3%8%
20183%3%8%
20173%2%8%
20163%2%8%
20153%2%8%
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# Black Students
6 Students
24,257 Students
% Black Students
1%
10%

Black Student Percentage Trends

YearMarietta, OH AvgOhio (OH)National
20251%10%7%
20241%10%7%
20231%10%8%
20221%9%7%
20211%10%7%
20201%9%8%
20191%9%7%
20181%9%7%
20171%8%7%
20161%8%7%
20151%8%8%
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# White Students
303 Students
139,899 Students
% White Students
70%
59%

White Student Percentage Trends

YearMarietta, OH AvgOhio (OH)National
202570%60%52%
202470%60%52%
202362%62%52%
202279%64%54%
202166%64%54%
202066%65%54%
201976%67%56%
201876%67%56%
201777%70%58%
201677%70%58%
201577%70%58%
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# Hawaiian Students
n/a
309 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
116 Students
54,126 Students
% of Others Students
27%
23%

Other Races Student Percentage Trends

YearMarietta, OH AvgOhio (OH)National
202527%22%26%
202427%22%26%
202335%21%25%
202218%21%25%
202131%20%25%
202031%20%24%
201919%19%24%
201819%19%23%
201717%18%22%
201617%18%22%
201517%17%21%
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All Ethnic Groups
Academics
# Teachers
26 Teachers
19,088 Teachers
Average Student-Teacher Ratio
17:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearMarietta, OH AvgOhio (OH)National
202517:113:111:1
202417:113:111:1
202315:113:111:1
202212:113:111:1
202115:113:111:1
202015:113:112:1
201912:114:112:1
201812:114:112:1
201714:114:112:1
201614:114:112:1
201514:114:112:1
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Average Class Size
15 students
17 students

Class Size Trends (2015-2025)

YearMarietta, OH AvgOhio (OH)National
2025151715
201941715
201841715
201741715
201641715
201541715
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Average Number of AP Courses
5 courses
12 courses
Tuition & Aid
Average Yearly Tuition Cost
$6,000
$10,610

Tuition Cost Trends (2015-2025)

YearMarietta, OH AvgOhio (OH)National
2025$6,000$10,808$15,012
2019$1,500$6,866$11,293
2018$1,500$6,405$11,017
2017$1,500$6,353$10,708
2016$1,500$6,147$10,356
2015$1,500$6,060$9,939
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Admissions & Athletics
Average Acceptance Rate
100%
85%

Acceptance Rate Trends (2015-2025)

YearMarietta, OH AvgOhio (OH)National
2025100%84%81%
2019100%89%85%
2018100%90%85%
2017100%89%85%
2016100%89%85%
2015100%89%85%
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Download Full Town Data: Full Town Dataset XML | Full Town Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Frequently Asked Questions

What are the top ranked private schools in Marietta, OH?
The top ranked private schools in Marietta, OH is St. Mary School.
How many private schools are located in Marietta?
3 private schools are located in Marietta.
What percentage of students in Marietta go to private school?
15% of all K-12 students in Marietta are educated in private schools (compared to the OH state average of 12%).
What percentage of private schools are religiously affiliated in Marietta?
100% of private schools in Marietta are religiously affiliated (most commonly Catholic and Christian).
Which private schools in Marietta are often viewed compared to one another?

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