Boarding School Review - Established 2003

Delaware Boarding Schools

St. Andrew's School: Located in Middletown, it is a co-ed college-preparatory boarding school for grades 9-12 with 315 students.
Costs and classes: At St. Andrew's School, tuition is $78,500 and 44% of students receive financial aid. Classes average 10 students.
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Quick Facts (26-27)

  • # Boarding Schools: 1
  • # Students Served: 315

Quick Facts (26-27)

  • # Boarding Schools: 1
  • # Students Served: 315

Top Delaware Boarding Schools (2026-27)

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St. Andrew's School, DE Photo - St. Andrew's seminar style discussions, which include faculty and students seated at a central round table, are heard throughout English, history and language classes.
St. Andrew's School, DE
Gr: 9-12 | 315 students
Student-teacher ratio: 4:1
Avg. class size: 10 students
Acceptance rate: 22%
Tuition listed
Episcopal
350 Noxontown Road
Middletown, DE 19709
(302) 285-4231
(13)
View Profile
1
Boarding Schools
315
Students
+5.0% (+15 students) 11-yr

Historical Statistics Overview

This State (DE)
US (avg. per state)
# Schools
1 School
6.4 Schools

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

Trends in Total Number of Boarding Schools

YearDelaware (DE) TotalUS Avg per State
202516.4
202416.2
202316.0
202215.9
202115.7
202015.4
201915.4
201815.2
201715.1
201614.9
201515.0
201415.0
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# Students
315 Students
2,517 Students

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

Trends in Total Number of Boarding School Students

YearDelaware (DE) TotalUS Avg per State
20253152,517
20243202,453
20233202,367
20223062,384
20213062,278
20203062,144
20193062,197
20183152,146
20173102,100
20163101,980
20153101,985
20143001,962
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Academics and Faculty

South Region*
US
* Fewer than 3 schools in Delaware report these figures, so the South regional average is shown.
Average Student-Teacher Ratio
8:1
8:1

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

Regional Trends (South) in Average Student-Teacher Ratio

YearSouth Region AvgNational Avg
20258:18:1
20248:17:1
20238:17:1
20228:17:1
20218:17:1
20208:17:1
20198:17:1
20188:17:1
20178:17:1
20168:17:1
20159:17:1
20149:17:1
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% Faculty with Advanced Degree
67%
69%

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

Regional Trends (South) in Average % Faculty with Advanced Degrees

YearSouth Region AvgNational Avg
202567%69%
202468%68%
202369%69%
202268%68%
202168%67%
202068%66%
201967%65%
201869%66%
201767%66%
201666%65%
201566%65%
201466%65%
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Academic Programs

South Region*
US
* Fewer than 3 schools in Delaware report these figures, so the South regional average is shown.
Avg. AP Courses
23
22

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

Regional Trends (South) in Average Number of AP Courses Offered

YearSouth Region AvgNational Avg
20252322
20242322
20232322
20222222
20212422
20202322
20192221
20182221
20172321
20162220
20152020
20142019
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Avg. IB Courses
32
28

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

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

YearSouth Region AvgNational Avg
20253228
20243233
20233232
20223232
20213234
20203231
20193332
20183634
20173430
20163430
20152327
20142226
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Avg. Class Size
13
13

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

Regional Trends (South) in Average Class Size

YearSouth Region AvgNational Avg
20251313
20241313
20231313
20221313
20211313
20201212
20191313
20181313
20171313
20161313
20151313
20141313
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Academic Performance

South Region*
US
* Fewer than 3 schools in Delaware report these figures, so the South regional average is shown.
Avg. SAT Score
1232
1271

Regional Trends (South) in Average SAT Score

YearSouth Region AvgNational Avg
202512321271
202412351274
202312441278
202212451276
202112411277
202012411273
201912381271
201812501273
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Avg. ACT Score
26
27

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

Regional Trends (South) in Average ACT Score

YearSouth Region AvgNational Avg
20252627
20242627
20232627
20222627
20212627
20202627
20192627
20182626
20172626
20162626
20152626
20142525
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Avg. Acceptance Rate
64%
59%

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

Regional Trends (South) in Average Acceptance Rate

YearSouth Region AvgNational Avg
202564%59%
202463%57%
202364%57%
202263%56%
202164%56%
202063%55%
201964%55%
201862%55%
201762%54%
201661%53%
201562%54%
201462%54%
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Tuition and Finances

South Region*
US
* Fewer than 3 schools in Delaware report these figures, so the South regional average is shown.
Avg. Tuition (Boarding)
$58,423
$64,455

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

Regional Trends (South) in Average Tuition Cost

YearSouth Region AvgNational Avg
2025$58,423$64,455
2024$58,791$62,584
2023$56,685$60,415
2022$53,804$58,343
2021$51,965$57,017
2020$51,389$55,760
2019$49,161$54,186
2018$46,459$52,108
2017$44,772$50,594
2016$43,727$49,180
2015$42,344$47,708
2014$41,093$48,599
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Avg. Tuition (Day)
$29,034
$38,004

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

Regional Trends (South) in Average Day Student Tuition

YearSouth Region AvgNational Avg
2025$29,034$38,004
2024$29,238$36,732
2023$27,149$35,848
2022$28,229$34,469
2021$28,198$34,614
2020$27,655$33,350
2019$25,186$31,555
2018$23,377$30,133
2017$21,911$29,344
2016$21,464$29,140
2015$20,860$28,042
2014$20,228$27,217
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Avg. Tuition (International)
$60,474
$62,450

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

Regional Trends (South) in Average International Student Tuition

YearSouth Region AvgNational Avg
2025$60,474$62,450
2024$59,657$59,956
2023$57,046$57,872
2022$54,398$56,738
2021$52,368$54,097
2020$51,636$52,930
2019$50,313$51,250
2018$46,981$47,647
2017$43,726$45,370
2016$42,874$45,211
2015$41,119$45,218
2014$40,574$45,073
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Avg. Financial Aid Rate
49%
42%

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

Regional Trends (South) in Average Financial Aid Rate

YearSouth Region AvgNational Avg
202549%42%
202445%41%
202346%41%
202244%40%
202143%40%
202043%39%
201942%38%
201840%38%
201738%37%
201638%36%
201536%36%
201436%35%
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Avg. Financial Aid Grant
$21,503
$27,075

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

Regional Trends (South) in Average Financial Aid Grant

YearSouth Region AvgNational Avg
2025$21,503$27,075
2024$22,155$26,722
2023$23,238$26,202
2022$22,421$26,183
2021$23,069$26,267
2020$23,159$26,166
2019$22,149$26,311
2018$21,131$25,365
2017$20,206$24,537
2016$18,848$23,339
2015$17,911$22,851
2014$17,997$22,694
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Avg. Endowment
$62 MM
$84 MM

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

Regional Trends (South) in Average School Endowment

YearSouth Region AvgNational Avg
2025$62 MM$84 MM
2024$60 MM$83 MM
2023$59 MM$77 MM
2022$57 MM$73 MM
2021$53 MM$73 MM
2020$49 MM$67 MM
2019$49 MM$67 MM
2018$48 MM$72 MM
2017$47 MM$71 MM
2016$46 MM$68 MM
2015$44 MM$67 MM
2014$43 MM$64 MM
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Student Diversity

South Region*
US
* Fewer than 3 schools in Delaware report these figures, so the South regional average is shown.
% Students of Color
28%
30%

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

Regional Trends (South) in Average % Students of Color

YearSouth Region AvgNational Avg
202528%30%
202428%29%
202328%29%
202227%27%
202128%27%
202027%26%
201924%24%
201823%24%
201722%22%
201621%22%
201520%21%
201419%21%
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% International Students
18%
27%

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

Regional Trends (South) in Average % International Students

YearSouth Region AvgNational Avg
202518%27%
202419%27%
202318%26%
202218%26%
202118%25%
202018%25%
201918%26%
201820%26%
201721%27%
201621%26%
201519%25%
201419%25%
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% Boarding Students
54%
59%

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

Regional Trends (South) in Average % Boarding Students

YearSouth Region AvgNational Avg
202554%59%
202455%60%
202355%61%
202256%61%
202156%61%
202057%62%
201958%62%
201859%62%
201759%63%
201659%63%
201558%64%
201458%63%
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Frequently Asked Questions

How many boarding schools are located in Delaware?
There is 1 college-preparatory boarding schools located in Delaware.
What is the oldest boarding school in Delaware?
St. Andrew's School, DE, founded in 1929, is the oldest boarding school in Delaware.

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