For the 2026 school year, there are 4 public schools serving 3,502 students in Lake Saint Louis, MO (there are 1 private school, serving 7 private students). 100% of all K-12 students in Lake Saint Louis, MO are educated in public schools (compared to the MO state average of 88%).
The top-ranked public schools in Lake Saint Louis, MO are Liberty High School, Discovery Ridge Elementary School and Green Tree Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Lake Saint Louis, MO public schools have an average math proficiency score of 59% (versus the Missouri public school average of 41%), and reading proficiency score of 60% (versus the 43% statewide average). Schools in Lake Saint Louis have an average ranking of 10/10, which is in the top 5% of Missouri public schools.
Minority enrollment is 24% of the student body (majority Black and Hispanic), which is less than the Missouri public school average of 33% (majority Black).
Best Public Schools in Lake Saint Louis, MO (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Liberty High School
(Math: 71% | Reading: 75%)
Rank:
Rank:
10/
Top 5%10
2275 Sommers Road
Lake Saint Louis, MO 63367
(636) 561-0075
Lake Saint Louis, MO 63367
(636) 561-0075
Gr: 9-12 | 1,647 students Student-teacher ratio: 17:1 Minority enrollment: 23%
Rank: #22.
Discovery Ridge Elementary School
(Math: 58% | Reading: 57%)
Rank:
Rank:
9/
Top 20%10
2523 Sommers Road
Lake Saint Louis, MO 63367
(636) 561-2354
Lake Saint Louis, MO 63367
(636) 561-2354
Gr: PK-5 | 590 students Student-teacher ratio: 14:1 Minority enrollment: 24%
Rank: #33.
Green Tree Elementary School
(Math: 52% | Reading: 57%)
Rank:
Rank:
9/
Top 20%10
1000 Ronald Reagan Dr
Lake Saint Louis, MO 63367
(636) 625-5600
Lake Saint Louis, MO 63367
(636) 625-5600
Gr: K-5 | 640 students Student-teacher ratio: 14:1 Minority enrollment: 29%
Rank: #44.
Duello Elementary School
(Math: 53% | Reading: 52%)
Rank:
Rank:
9/
Top 20%10
1814 Duello Rd
Lake Saint Louis, MO 63367
(636) 327-6050
Lake Saint Louis, MO 63367
(636) 327-6050
Gr: K-5 | 625 students Student-teacher ratio: 14:1 Minority enrollment: 23%
Frequently Asked Questions
What are the top-ranked public schools in Lake Saint Louis, MO?
The top-ranked public schools in Lake Saint Louis, MO include Liberty High School, Discovery Ridge Elementary School and Green Tree Elementary School.
How many public schools are located in Lake Saint Louis?
4 public schools are located in Lake Saint Louis.
What percentage of students in Lake Saint Louis go to public school?
100% of all K-12 students in Lake Saint Louis are educated in public schools (compared to the MO state average of 88%).
What is the racial composition of students in Lake Saint Louis?
Lake Saint Louis public schools minority enrollment is 24% of the student body (majority Black and Hispanic), which is less than the Missouri public schools average of 33% (majority Black).
Which public schools in Lake Saint Louis are often viewed compared to one another?
Popular comparisons of public schools in Lake Saint Louis include: Duello Elementary School vs. Green Tree Elementary School
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