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A+

Marquette SR. High

PublicHighGrades 9–12

2351 Clarkson Rd, Chesterfield, MO 63017 · (636) 891-6000 · Part of Rockwood R-VI School District

Clarkson Valley’s School Grade A better than 93% of Missouri school districts

Students
2,095
Students per teacher
16:1
Free or reduced lunch
15%
Setting
Suburb
Grades
9–12
The gist

What stands out about Marquette SR. High

  • Its own letter, A+: reading and math results near the top of Missouri’s public schools
  • Math proficiency 18 pts above the state
  • Reading / language arts 34 pts above the state
  • Enrollment down 10.2% since 2020–21

On the path

Where Clarkson Valley kids come from and go next. The whole path →

6–8Crestview Middlein Ellisville
9–12Marquette SR. HighYou are here

Test scores

2020–21
Math proficiency53%
State average 35.3%
Reading / language arts79%
State average 45.2%

Its own letter, A+, places these results among Missouri’s 2,023 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

2351 Clarkson Rd, Chesterfield

Students

Enrollment by grade
Grade 9522
Grade 10565
Grade 11496
Grade 12512
Enrollment over time
2,333’20
2,277’21
2,155’22
2,136’23
2,095’24

Down 10.2% since 2020–21.

Who goes here
White 63%Asian 19%Black 8%Hispanic 6%Two or more races 4%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Marquette SR. High from Clarkson Valley families.

Other schools in Rockwood R-VI School District

The district →

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Missouri’s other public schools; Clarkson Valley’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.