Best Mandeville Private Schools (2026)

For the 2026 school year, there are 5 private schools serving 1,368 students in Mandeville, LA (there are 14 public schools, serving 10,878 public students). 11% of all K-12 students in Mandeville, LA are educated in private schools (compared to the LA state average of 15%).

The private school in Mandeville, LA is Our Lady of the Lake Roman Catholic School.

80% of private schools in Mandeville, LA are religiously affiliated (most commonly Catholic and Christian).

Cedarwood School Photo - Experience Cedarwood SchoolCedarwood School is known as the choice for families seeking the very best education for their children in a safe and engaging environment. A unique place where children are encouraged to be curious, creative, courageous and confident while instilling the love of learning.

Our Lady of the Lake Roman Catholic School Photo - OLL has been recognized by the U.S. Secretary of Education as a 2020 National Blue Ribbon School of Excellence, the highest national honor a school can receive. This is the third time since 2004 that OLL has received this award, making it the only elementary school in the state of Louisiana to be a three-time winner.

Top-Ranked Mandeville Private Schools (2026)

School

Location

Quick Facts

Our Lady of the Lake Roman Catholic School

(Catholic)

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(1)

316 Lafitte Street
Mandeville, LA 70448
(985) 626-5678

Gr: NS-7 | 800 students Avg. class size: 21 students Sports: 9 | Extracurrculars: 3 Tuition listed

Cedarwood School

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(1)

607 Heavens Dr
Mandeville, LA 70471
(985) 845-7111

Gr: PK-7 Avg. class size: 14 students Extracurrculars: 11 Tuition listed

Mary Queen Of Peace Catholic School

(Catholic)

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1515 W Causeway Approach
Mandeville, LA 70471
(985) 674-2466

Gr: PK-7 | 448 students Avg. class size: 21 students

Montessori Christian Academy Llc

Montessori School (Christian)

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4441 Iberville St
Mandeville, LA 70471
(985) 674-2720

Gr: PK-K | 48 students

New Covenant Presbyterian Weekday School

Montessori School (Presbyterian)

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4375 Highway 22
Mandeville, LA 70471
(985) 626-1627

Gr: NS-PK | 72 students Avg. class size: 1 student

Overview

This Town (Mandeville)

This State (LA)

# Schools

5 Schools

View Data

Trends in Total Number of Private Schools
Year	Mandeville, LA Total Schools
2025	5
2024	5
2023	5
2022	5
2021	5
2020	5
2019	4
2018	4
2017	4
2016	4
2015	4

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Student Body:

# Students

1,368 Students

122,849 Students

View Data

Trends in the Average Number of Students Per Private School
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	342	314	179
2024	344	307	172
2023	349	310	174
2022	338	327	185
2021	338	319	180
2020	336	310	171
2019	413	320	175
2018	417	317	172
2017	423	330	180
2016	417	329	178
2015	428	314	167

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% Average Students of Color

22%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	4%	22%	34%
2024	6%	23%	34%
2023	8%	23%	33%
2022	10%	22%	33%
2021	10%	22%	32%
2020	10%	22%	32%
2019	9%	22%	31%
2018	5%	22%	31%
2017	56%	23%	32%
2016	56%	23%	32%
2015	56%	24%	32%

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Academics and Faculty:

# Teachers

125 Teachers

9,825 Teachers

Average Student-Teacher Ratio

16:1

13:1

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Student-Teacher Ratio Trends (2015-2025)
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	16:1	13:1	11:1
2024	15:1	13:1	11:1
2023	16:1	12:1	11:1
2022	15:1	13:1	11:1
2021	15:1	13:1	11:1
2020	15:1	13:1	12:1
2019	15:1	13:1	12:1
2018	14:1	13:1	12:1
2017	14:1	14:1	12:1
2016	14:1	14:1	12:1
2015	14:1	14:1	12:1

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% Average Faculty w/Advanced Degree

41%

40%

View Data

Percentage of Faculty With Advanced Degrees Trends (2024-2025)
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	41%	40%	55%
2024	30%	40%	54%

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Average Class Size

14 students

17 students

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Class Size Trends (2019-2025)
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	14	17	15
2024	12	17	15
2023	11	17	15
2022	11	17	15
2021	11	17	15
2020	21	17	15
2019	21	17	15

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$9,068

$9,659

View Data

Tuition Cost Trends (2015-2025)
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	$9,068	$9,739	$15,012
2024	$6,565	$7,776	$13,254
2023	$6,565	$7,710	$12,626
2022	$6,188	$7,319	$12,187
2021	$6,188	$7,128	$11,800
2020	$5,586	$6,793	$11,512
2019	$5,586	$6,706	$11,293
2018	$5,137	$6,545	$11,017
2017	$5,137	$6,305	$10,708
2016	$4,818	$5,949	$10,356
2015	$4,818	$5,440	$9,939

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Average Summer Program Cost

$550

$328

Students by Ethnicity:

0.41

0.55

View Data

Diversity Score Trends
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	0.41	0.55	0.65
2024	0.46	0.55	0.65
2023	0.45	0.54	0.65
2022	0.41	0.51	0.64
2021	0.41	0.52	0.64
2020	0.40	0.52	0.64
2019	0.39	0.52	0.63
2018	0.40	0.52	0.63
2017	0.38	0.48	0.61
2016	0.37	0.48	0.61
2015	0.39	0.48	0.61

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# American Indian Students

1 Student

466 Students

% American Indian Students

n/a

# Asian Students

16 Students

3,143 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	1%	4%	5%
2024	2%	4%	5%
2023	1%	3%	5%
2022	1%	3%	4%
2021	1%	2%	4%
2020	1%	2%	4%
2019	2%	3%	4%
2018	2%	3%	4%
2017	1%	3%	4%
2016	1%	2%	4%
2015	1%	2%	4%

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# Hispanic Students

33 Students

4,032 Students

% Hispanic Students

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Hispanic Student Percentage Trends
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	2%	3%	9%
2024	2%	3%	9%
2023	1%	3%	9%
2022	1%	3%	8%
2021	1%	3%	9%
2020	1%	3%	9%
2019	1%	3%	8%
2018	1%	3%	8%
2017	1%	2%	8%
2016	1%	2%	8%
2015	1%	2%	8%

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# Black Students

8 Students

14,196 Students

% Black Students

12%

View Data

Black Student Percentage Trends
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	1%	11%	7%
2022	1%	12%	7%
2021	1%	12%	7%
2020	1%	12%	8%

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# White Students

1,159 Students

79,400 Students

% White Students

74%

64%

View Data

White Student Percentage Trends
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	74%	64%	52%
2024	67%	63%	52%
2023	69%	64%	52%
2022	73%	67%	54%
2021	73%	67%	54%
2020	74%	67%	54%
2019	75%	67%	56%
2018	74%	67%	56%
2017	76%	70%	58%
2016	77%	70%	58%
2015	75%	70%	58%

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# Hawaiian Students

n/a

182 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

348 Students

22,430 Students

% of Others Students

22%

18%

View Data

Other Races Student Percentage Trends
Year	Mandeville, LA Average	Louisiana (LA) Average	National Average
2025	22%	18%	26%
2024	29%	18%	26%
2023	29%	17%	25%
2022	24%	15%	25%
2021	24%	16%	25%
2020	23%	16%	24%
2019	22%	15%	24%
2018	23%	14%	23%
2017	22%	14%	22%
2016	21%	14%	22%
2015	23%	14%	21%

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All Ethnic Groups