[+] Show Closed Private Schools in Middlesex County, Connecticut

Middlesex County Private Schools (Closed)

St. John School

Gr: K-8 | 114 students

Catholic

5 Saint Johns Sq

Middletown, CT 06457

(860) 347-3202

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St. Sebastian School

Gr: PK-8 | 132 students

Catholic

61 Durant Ter

Middletown, CT 06457

(860) 347-3438

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Overview

Academics and Faculty:

# Teachers

285 Teachers

7,896 Teachers

Average Student-Teacher Ratio

7:1

8:1

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Showing 2016–2025. Full 11-year historical data available below ↓

Student-Teacher Ratio Trends (2015-2025)
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	8:1	8:1	11:1
2024	7:1	8:1	11:1
2023	7:1	8:1	11:1
2022	7:1	8:1	11:1
2021	7:1	8:1	11:1
2020	7:1	8:1	12:1
2019	7:1	8:1	12:1
2018	7:1	8:1	12:1
2017	9:1	9:1	12:1
2016	9:1	9:1	12:1
2015	9:1	9:1	12:1

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% Average Faculty w/Advanced Degree

63%

71%

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Showing 2016–2025. Full 11-year historical data available below ↓

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	59%	70%	55%
2024	59%	70%	54%
2023	56%	68%	54%
2022	56%	68%	54%
2021	65%	69%	54%
2020	61%	69%	54%
2019	61%	69%	53%
2018	63%	68%	53%
2017	75%	68%	53%
2016	75%	68%	52%
2015	74%	69%	52%

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Average Class Size

11 students

14 students

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Showing 2016–2025. Full 11-year historical data available below ↓

Class Size Trends (2015-2025)
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	11	14	15
2024	11	13	15
2023	11	13	15
2022	11	13	15
2021	11	13	15
2020	11	14	15
2019	11	14	15
2018	11	14	15
2017	11	14	15
2016	11	14	15
2015	11	13	15

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Average Number of AP Courses

11 courses

18 courses

Average SAT score

1064

(Out of 1600)

1255

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$38,733

$29,145

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Tuition Cost Trends (2015-2025)
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	$38,733	$28,288	$15,012
2024	$37,427	$27,975	$14,622
2023	$34,816	$26,984	$14,057
2018	$30,741	$24,008	$12,363
2017	$29,930	$23,377	$12,049
2016	$30,183	$22,763	$11,633
2015	$30,183	$21,660	$11,174

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Average Summer Program Cost

$4,415

$3,778

Average % on Financial Aid

35%

37%

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Percent on Financial Aid Trends (2020-2025)
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	36%	36%	34%
2024	36%	37%	34%
2023	39%	36%	34%
2022	39%	35%	33%
2021	39%	35%	33%
2020	38%	35%	32%

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Average Financial Aid Grant

$7,690

$18,064

Average Acceptance Rate

86%

72%

Average Endowment Size

$3 million

$65.67 million

Students by Ethnicity:

0.50

0.63

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Diversity Score Trends
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	0.51	0.63	0.65
2024	0.50	0.63	0.65
2023	0.47	0.62	0.65
2022	0.45	0.59	0.64
2021	0.45	0.59	0.64
2020	0.46	0.59	0.64
2019	0.40	0.56	0.63
2018	0.40	0.56	0.63
2017	0.35	0.53	0.61
2016	0.35	0.54	0.61
2015	0.38	0.54	0.61

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# American Indian Students

4 Students

716 Students

% American Indian Students

<1%

# Asian Students

87 Students

2,908 Students

% Asian Students

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Showing 2016–2025. Full 11-year historical data available below ↓

Asian Student Percentage Trends
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	4%	5%	5%
2024	4%	5%	5%
2023	4%	5%	5%
2022	5%	5%	4%
2021	5%	5%	4%
2020	5%	5%	4%
2019	3%	5%	4%
2018	3%	5%	4%
2017	2%	4%	4%
2016	2%	4%	4%
2015	2%	4%	4%

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# Hispanic Students

174 Students

5,562 Students

% Hispanic Students

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Showing 2016–2025. Full 11-year historical data available below ↓

Hispanic Student Percentage Trends
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	8%	9%	9%
2024	8%	9%	9%
2023	8%	8%	9%
2022	8%	7%	8%
2021	8%	7%	9%
2020	8%	8%	9%
2019	6%	6%	8%
2018	6%	6%	8%
2017	4%	5%	8%
2016	4%	6%	8%
2015	4%	6%	8%

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# Black Students

135 Students

4,891 Students

% Black Students

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Showing 2016–2025. Full 11-year historical data available below ↓

Black Student Percentage Trends
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	6%	8%	7%
2024	6%	8%	7%
2023	6%	7%	8%
2022	6%	8%	7%
2021	6%	8%	7%
2020	6%	8%	8%
2019	6%	7%	7%
2018	6%	7%	7%
2017	4%	7%	7%
2016	4%	7%	7%
2015	5%	8%	8%

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# White Students

1,563 Students

34,906 Students

% White Students

69%

56%

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Showing 2016–2025. Full 11-year historical data available below ↓

White Student Percentage Trends
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	68%	56%	52%
2024	69%	56%	52%
2023	72%	58%	52%
2022	73%	61%	54%
2021	73%	60%	54%
2020	73%	60%	54%
2019	77%	64%	56%
2018	77%	64%	56%
2017	80%	66%	58%
2016	80%	65%	58%
2015	78%	65%	58%

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# Hawaiian Students

3 Students

63 Students

% Hawaiian Students

<1%

# Others Students

308 Students

12,857 Students

% of Others Students

13%

21%

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Showing 2016–2025. Full 11-year historical data available below ↓

Other Races Student Percentage Trends
Year	Middlesex County Average	Connecticut (CT) Average	National Average
2025	14%	21%	26%
2024	13%	21%	26%
2023	10%	20%	25%
2022	8%	19%	25%
2021	8%	20%	25%
2020	8%	19%	24%
2019	8%	18%	24%
2018	8%	18%	23%
2017	10%	18%	22%
2016	10%	18%	22%
2015	11%	17%	21%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

7 extracurriculars

13 extracurriculars

Average Number of Sports

9 sports

Frequently Asked Questions

What are the top ranked private schools in Middlesex County, CT?

The private schools in Middlesex County, CT include Northwest Childrens Center, Xavier High School, and The Children's Tree Montessori School.

How many private schools are located in Middlesex County?

20 private schools are located in Middlesex County.

How diverse are private schools in Middlesex County?

Middlesex County private schools are approximately 25% minority students, which is lower than the Connecticut private school average of 32%.

What percentage of students in Middlesex County go to private school?

10% of all K-12 students in Middlesex County are educated in private schools (compared to the CT state average of 12%).

What percentage of private schools are religiously affiliated in Middlesex County?

24% of private schools in Middlesex County are religiously affiliated (most commonly Catholic).

Which private schools in Middlesex County are often viewed compared to one another?

Popular comparisons of private schools in Middlesex County include: Montessori Circle Of Friends vs. The Children's Tree Montessori School, Cromwell KinderCare vs. Middlefield Children's Center

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