Best Boarding Schools in Connecticut (2026-27)

Connecticut Boarding School Trends (11-Year)

Boarding Schools

+21.1% (+4 schools) 11-yr

7,889

Students

+23.1% (+1,478 students) 11-yr

$71,454

Avg. Tuition

+45.0% (+$22,167) 11-yr

Avg. Class Size

-0.6% (-0 students) 11-yr

28%

Students of Color

+53.9% (+10.0 pp) 11-yr

5:1

Student-Teacher Ratio

-9.1% (-0.5) 11-yr

Historical Statistics Overview

This State (CT)

US (avg. per state)

# Schools

23 Schools

6.4 Schools

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Total Number of Boarding Schools

Year	Connecticut (CT) Total	US Avg per State
2025	23	6.4
2024	23	6.2
2023	22	6.0
2022	21	5.9
2021	21	5.7
2020	20	5.4
2019	19	5.4
2018	19	5.2
2017	19	5.1
2016	19	4.9
2015	19	5.0
2014	19	5.0

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# Students

7,889 Students

2,517 Students

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Total Number of Boarding School Students

Year	Connecticut (CT) Total	US Avg per State
2025	7,889	2,517
2024	7,763	2,453
2023	7,561	2,367
2022	7,066	2,384
2021	7,040	2,278
2020	6,683	2,144
2019	6,272	2,197
2018	6,273	2,146
2017	6,323	2,100
2016	6,353	1,980
2015	6,405	1,985
2014	6,411	1,962

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Academics and Faculty

This State (CT)

Average Student-Teacher Ratio

5:1

8:1

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Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average Student-Teacher Ratio

Year	Connecticut (CT) Avg	National Avg
2025	5:1	8:1
2024	5:1	7:1
2023	5:1	7:1
2022	5:1	7:1
2021	5:1	7:1
2020	5:1	7:1
2019	5:1	7:1
2018	5:1	7:1
2017	5:1	7:1
2016	6:1	7:1
2015	6:1	7:1
2014	6:1	7:1

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% Faculty with Advanced Degree

69%

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Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average % Faculty with Advanced Degrees

Year	Connecticut (CT) Avg	National Avg
2025	69%	69%
2024	66%	68%
2023	65%	69%
2022	65%	68%
2021	65%	67%
2020	62%	66%
2019	63%	65%
2018	64%	66%
2017	63%	66%
2016	61%	65%
2015	63%	65%
2014	62%	65%

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Academic Programs

This State (CT)*

* Fewer than 3 schools in Connecticut report Avg. IB Courses, so the Northeast regional average is shown for that row.

Avg. AP Courses

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average Number of AP Courses Offered

Year	Connecticut (CT) Avg	National Avg
2025	25	22
2024	24	22
2023	22	22
2022	22	22
2021	22	22
2020	22	22
2019	21	21
2018	19	21
2017	18	21
2016	17	20
2015	17	20
2014	18	19

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Avg. IB Courses

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Regional Trends (Northeast) in Average Number of IB Courses Offered

Year	Northeast Region Avg	National Avg
2025	24	28
2024	33	33
2023	33	32
2022	33	32
2021	34	34
2020	36	31
2019	35	32
2018	42	34
2017	38	30
2016	39	30
2015	32	27
2014	29	26

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Avg. Class Size

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average Class Size

Year	Connecticut (CT) Avg	National Avg
2025	11	13
2024	11	13
2023	11	13
2022	11	13
2021	11	13
2020	11	12
2019	11	13
2018	11	13
2017	11	13
2016	11	13
2015	11	13
2014	11	13

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Academic Performance

This State (CT)

Avg. SAT Score

1256

1271

View Data

Trends in Average SAT Score

Year	Connecticut (CT) Avg	National Avg
2025	1256	1271
2024	1257	1274
2023	1265	1278
2022	1261	1276
2021	1270	1277
2020	1265	1273
2019	1250	1271
2018	1247	1273

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Avg. ACT Score

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Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average ACT Score

Year	Connecticut (CT) Avg	National Avg
2025	28	27
2024	28	27
2023	28	27
2022	28	27
2021	28	27
2020	28	27
2019	27	27
2018	27	26
2017	27	26
2016	26	26
2015	25	26
2014	24	25

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Avg. Acceptance Rate

46%

59%

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Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average Acceptance Rate

Year	Connecticut (CT) Avg	National Avg
2025	46%	59%
2024	50%	57%
2023	49%	57%
2022	49%	56%
2021	48%	56%
2020	49%	55%
2019	48%	55%
2018	49%	55%
2017	49%	54%
2016	49%	53%
2015	48%	54%
2014	51%	54%

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Tuition and Finances

This State (CT)

Avg. Tuition (Boarding)

$71,454

$64,455

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average Tuition Cost

Year	Connecticut (CT) Avg	National Avg
2025	$71,454	$64,455
2024	$68,479	$62,584
2023	$65,011	$60,415
2022	$63,220	$58,343
2021	$62,155	$57,017
2020	$60,633	$55,760
2019	$58,520	$54,186
2018	$56,618	$52,108
2017	$54,962	$50,594
2016	$53,061	$49,180
2015	$50,699	$47,708
2014	$49,287	$48,599

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Avg. Tuition (Day)

$48,633

$38,004

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average Day Student Tuition

Year	Connecticut (CT) Avg	National Avg
2025	$48,633	$38,004
2024	$47,732	$36,732
2023	$44,159	$35,848
2022	$42,019	$34,469
2021	$42,007	$34,614
2020	$41,853	$33,350
2019	$39,046	$31,555
2018	$38,088	$30,133
2017	$38,341	$29,344
2016	$36,955	$29,140
2015	$33,722	$28,042
2014	$32,902	$27,217

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Avg. Tuition (International)

$61,496

$62,450

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average International Student Tuition

Year	Connecticut (CT) Avg	National Avg
2025	$61,496	$62,450
2024	$60,920	$59,956
2023	$57,738	$57,872
2022	$65,243	$56,738
2021	$63,412	$54,097
2020	$62,651	$52,930
2019	$59,464	$51,250
2018	$53,813	$47,647
2017	$53,150	$45,370
2016	$54,120	$45,211
2015	$48,754	$45,218
2014	$45,904	$45,073

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Avg. Financial Aid Rate

43%

42%

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average Financial Aid Rate

Year	Connecticut (CT) Avg	National Avg
2025	43%	42%
2024	43%	41%
2023	41%	41%
2022	41%	40%
2021	41%	40%
2020	42%	39%
2019	42%	38%
2018	42%	38%
2017	39%	37%
2016	38%	36%
2015	38%	36%
2014	39%	35%

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Avg. Financial Aid Grant

$34,290

$27,075

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average Financial Aid Grant

Year	Connecticut (CT) Avg	National Avg
2025	$34,290	$27,075
2024	$33,514	$26,722
2023	$31,606	$26,202
2022	$30,780	$26,183
2021	$30,043	$26,267
2020	$30,689	$26,166
2019	$31,653	$26,311
2018	$31,117	$25,365
2017	$30,289	$24,537
2016	$28,465	$23,339
2015	$28,713	$22,851
2014	$28,124	$22,694

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Avg. Endowment

$94 MM

$84 MM

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average School Endowment

Year	Connecticut (CT) Avg	National Avg
2025	$94 MM	$84 MM
2024	$95 MM	$83 MM
2023	$90 MM	$77 MM
2022	$88 MM	$73 MM
2021	$88 MM	$73 MM
2020	$86 MM	$67 MM
2019	$83 MM	$67 MM
2018	$81 MM	$72 MM
2017	$81 MM	$71 MM
2016	$74 MM	$68 MM
2015	$73 MM	$67 MM
2014	$71 MM	$64 MM

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Student Diversity

This State (CT)

% Students of Color

28%

30%

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average % Students of Color

Year	Connecticut (CT) Avg	National Avg
2025	28%	30%
2024	28%	29%
2023	27%	29%
2022	25%	27%
2021	23%	27%
2020	22%	26%
2019	20%	24%
2018	20%	24%
2017	20%	22%
2016	19%	22%
2015	19%	21%
2014	18%	21%

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% International Students

26%

27%

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average % International Students

Year	Connecticut (CT) Avg	National Avg
2025	26%	27%
2024	25%	27%
2023	23%	26%
2022	22%	26%
2021	23%	25%
2020	22%	25%
2019	21%	26%
2018	21%	26%
2017	20%	27%
2016	22%	26%
2015	21%	25%
2014	21%	25%

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% Boarding Students

72%

59%

View Data

Showing 2016–2025. Full 12-year historical data available below ↓

Trends in Average % Boarding Students

Year	Connecticut (CT) Avg	National Avg
2025	72%	59%
2024	72%	60%
2023	71%	61%
2022	69%	61%
2021	70%	61%
2020	72%	62%
2019	70%	62%
2018	69%	62%
2017	69%	63%
2016	68%	63%
2015	68%	64%
2014	69%	63%

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Frequently Asked Questions

How many boarding schools are located in Connecticut?

There are 22 college-preparatory boarding schools located in Connecticut.

What is the average tuition cost of boarding school in Connecticut?

The average Connecticut boarding school tuition cost is $73,618 per year.

What is the oldest boarding school in Connecticut?

Cheshire Academy, founded in 1794, is the oldest boarding school in Connecticut.

What boarding school in Connecticut has the lowest acceptance rates?

Choate Rosemary Hall has the lowest boarding school acceptance rate (16%) in Connecticut.

What boarding school in Connecticut has the highest average SAT scores?

Choate Rosemary Hall has the highest average SAT scores (1401) in Connecticut.

Which boarding schools in Connecticut are often viewed compared to one another?

Popular comparisons of boarding schools in Connecticut include: Rumsey Hall School vs. Rectory School, Indian Mountain School vs. Rectory School, The Taft School vs. Choate Rosemary Hall

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