Watertown, WI Private School Trends (10-Year)

Private Schools

1,621

Students

-1.6% (-27 students) 10-yr

$4,165

Avg. Tuition

Avg. Class Size

-7.1% (-1 student) 4-yr

14%

Students of Color

+75.0% (+6.0 pp) 10-yr

11:1

Student-Teacher Ratio

-21.4% (-3.0) 10-yr

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Enrollment & Diversity

Trends in Total Number of Private Schools

Year	Watertown, WI Total Schools
2025	12
2024	12
2023	12
2022	11
2021	11
2020	11
2019	12
2018	12
2017	12
2016	12
2015	12

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Private schools dipped then recovered from 12 in 2016 to 11 in 2020, then returned to 12 by 2025.

# Students

1,621 Students

147,262 Students

View Data

Showing 2016–2025. View full 11-year historical data

Trends in the Average Number of Students Per Private School

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	135	166	179
2024	139	161	172
2023	143	153	174
2022	141	164	185
2021	140	162	180
2020	137	152	171
2019	135	149	175
2018	136	147	172
2017	137	154	180
2016	140	152	178
2015	137	147	167

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Average students down 5 in Watertown private schools, from 140 in 2016 to 135 in 2025.

% Students of Color

14%

35%

View Data

Showing 2016–2025. View full 11-year historical data

Percentage of Students of Color Trends (2015-2025)

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	14%	35%	34%
2024	14%	35%	34%
2023	11%	34%	33%
2022	14%	31%	33%
2021	14%	31%	32%
2020	14%	31%	32%
2019	18%	31%	31%
2018	18%	30%	31%
2017	8%	30%	32%
2016	8%	30%	32%
2015	8%	30%	32%

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Students of color up 6 points in Watertown private schools, from 8% in 2016 to 14% in 2025, while Wisconsin rose to 35%.

0.37

0.66

View Data

Showing 2016–2025. View full 11-year historical data

Diversity Score Trends

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	0.37	0.66	0.65
2024	0.37	0.66	0.65
2023	0.42	0.65	0.65
2022	0.44	0.63	0.64
2021	0.44	0.63	0.64
2020	0.42	0.63	0.64
2019	0.39	0.61	0.63
2018	0.40	0.60	0.63
2017	0.31	0.56	0.61
2016	0.32	0.57	0.61
2015	0.30	0.57	0.61

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Diversity score down 5 points in Watertown private schools, from 0.42 in 2023 to 0.37 in 2025.

Show more data/charts: racial breakdown

# American Indian Students

0 Students

897 Students

% American Indian Students

# Asian Students

22 Students

3,565 Students

% Asian Students

View Data

Showing 2016–2025. View full 11-year historical data

Asian Student Percentage Trends

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	1%	2%	5%
2024	2%	2%	5%
2023	2%	3%	5%
2022	2%	3%	4%
2021	2%	4%	4%
2020	2%	3%	4%
2019	3%	2%	4%
2018	2%	2%	4%
2017	2%	2%	4%
2016	2%	2%	4%
2015	3%	2%	4%

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Asian enrollment down 2 points in Watertown private schools, from 3% in 2019 to 1% in 2025.

# Hispanic Students

127 Students

17,428 Students

% Hispanic Students

12%

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Showing 2016–2025. View full 11-year historical data

Hispanic Student Percentage Trends

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	8%	12%	9%
2024	8%	12%	9%
2023	4%	9%	9%
2022	6%	8%	8%
2021	6%	8%	9%
2020	6%	8%	9%
2019	9%	8%	8%
2018	9%	8%	8%
2017	3%	6%	8%
2016	3%	6%	8%
2015	3%	6%	8%

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Hispanic share up 5 points in Watertown private schools, from 3% in 2016 to 8% in 2025.

# Black Students

41 Students

20,225 Students

% Black Students

13%

View Data

Showing 2016–2025. View full 11-year historical data

Black Student Percentage Trends

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	2%	13%	7%
2024	2%	14%	7%
2023	2%	15%	8%
2022	2%	13%	7%
2021	2%	13%	7%
2020	2%	14%	8%
2019	1%	12%	7%
2018	1%	12%	7%
2017	1%	11%	7%
2016	1%	11%	7%
2015	1%	12%	8%

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Black share doubled locally from 1% in 2016 to 2% in 2025, while Wisconsin rose from 11% to 13%.

# White Students

1,318 Students

79,460 Students

% White Students

79%

53%

View Data

Showing 2016–2025. View full 11-year historical data

White Student Percentage Trends

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	79%	53%	52%
2024	78%	53%	52%
2023	74%	53%	52%
2022	73%	56%	54%
2021	73%	56%	54%
2020	75%	57%	54%
2019	77%	59%	56%
2018	77%	59%	56%
2017	83%	63%	58%
2016	82%	63%	58%
2015	83%	63%	58%

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White students still higher in Watertown private schools, at 79% in 2025 versus 82% in 2016, while Wisconsin was 53% and the U.S. 52%.

# Hawaiian Students

3 Students

294 Students

% Hawaiian Students

<1%

# Others Students

163 Students

29,380 Students

% of Others Students

10%

19%

View Data

Showing 2016–2025. View full 11-year historical data

Other Races Student Percentage Trends

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	10%	19%	26%
2024	10%	18%	26%
2023	18%	20%	25%
2022	17%	20%	25%
2021	17%	19%	25%
2020	15%	18%	24%
2019	10%	18%	24%
2018	11%	18%	23%
2017	11%	17%	22%
2016	12%	17%	22%
2015	10%	16%	21%

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Other-race share fell 2 points in Watertown private schools, from 12% in 2016 to 10% in 2025, while Wisconsin rose to 19%.

All Ethnic Groups

Academics

# Teachers

142 Teachers

11,498 Teachers

Average Student-Teacher Ratio

11:1

13:1

View Data

Showing 2016–2025. View full 11-year historical data

Student-Teacher Ratio Trends (2015-2025)

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	11:1	13:1	11:1
2024	12:1	13:1	11:1
2023	12:1	13:1	11:1
2022	12:1	13:1	11:1
2021	12:1	13:1	11:1
2020	12:1	13:1	12:1
2019	12:1	13:1	12:1
2018	13:1	13:1	12:1
2017	13:1	13:1	12:1
2016	14:1	13:1	12:1
2015	14:1	14:1	12:1

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Ratio down 3 students in Watertown private schools, from 14:1 in 2016 to 11:1 in 2025.

% Average Faculty w/Advanced Degree

73%

38%

Average Class Size

13 students

16 students

View Data

Class Size Trends (2021-2025)

Year	Watertown, WI Avg	Wisconsin (WI)	National
2025	13	15	15
2024	14	15	15
2023	14	16	15
2022	14	16	15
2021	14	15	15

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Class size down 1 in Watertown private schools, from 14 in 2021 to 13 in 2025, while Wisconsin stayed at 15.

Average Number of AP Courses

5 courses

11 courses

Average ACT score

(Out of 36)

Tuition & Aid

Average Yearly Tuition Cost

$4,165

$5,755

Average % on Financial Aid

43%

37%

Average Financial Aid Grant

$1,600

$2,609

Average Endowment Size

$3 million

$15.1 million

Admissions & Athletics

Average Acceptance Rate

90%

92%

Average Number of Extracurriculars

7 extracurriculars

Average Number of Sports

7 sports

6 sports

Frequently Asked Questions

What are the top ranked private schools in Watertown, WI?

The private schools in Watertown, WI include St. Bernard School, St. Marks Evangelical Lutheran School, and Luther Prep.

How many private schools are located in Watertown?

12 private schools are located in Watertown.

How diverse are private schools in Watertown?

Watertown private schools are approximately 14% minority students, which is lower than the Wisconsin private school average of 35%.

What percentage of students in Watertown go to private school?

35% of all K-12 students in Watertown are educated in private schools (compared to the WI state average of 15%).

What percentage of private schools are religiously affiliated in Watertown?

100% of private schools in Watertown are religiously affiliated (most commonly Lutheran Church Missouri Synod and Wisconsin Evangelical Lutheran Synod).

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

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