St. Marys High School is a fully accredited public high school located in St. Marys, Kansas, United States, serving students in grades 9–12. It is operated by Kaw Valley USD 321. The school colors are blue and white and the school mascot is the Bear. The average annual enrollment is approximately 300 students.
Serving 246 students in grades 7-12, St. Marys Junior Senior High School ranks in the bottom 50% of all schools in Kansas for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 25-29% (which is lower than the Kansas state average of 31%). The percentage of students achieving proficiency in reading/language arts is 20-24% (which is lower than the Kansas state average of 32%).
The student-teacher ratio of 9:1 is lower than the Kansas state level of 13:1.
Minority enrollment is 18% of the student body (majority Hispanic), which is lower than the Kansas state average of 40% (majority Hispanic).
Quick Facts (2026)
- Grades: 7-12
- Enrollment: 246 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 18%
- Graduation Rate: 80-89% (Top 50% in KS)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 25-29% (Btm 50%)
- Reading Proficiency: 20-24% (Btm 50%)
- Science Proficiency: 25-29% (Btm 50%)
- Source: National Center for Education Statistics (NCES), KS Dept. of Education
Top Rankings
St. Marys Junior Senior High School ranks among the top 20% of public schools in Kansas for:
Category
Attribute
Student Attention
School Overview
St. Marys Junior Senior High School's student population of 246 students has declined by 10% over five school years.
The teacher population of 26 teachers has declined by 13% over five school years.
Grades Offered
Grades 7-12
(No virtual instruction)
(No virtual instruction)
Total Students
246 students
Total Classroom Teachers
26 teachers
Year Founded
1905
Colors
White, Blue
Campus Size
50 acres
School Rankings
St. Marys Junior Senior High School ranks within the bottom 50% of all 1,269 schools in Kansas (based off of combined math and reading proficiency testing data).
The diversity score of St. Marys Junior Senior High School is 0.32, which is less than the diversity score at state average of 0.58. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#840 out of 1269 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
25-29%
31%
Reading/Language Arts Test Scores (% Proficient)
20-24%
32%
Science Test Scores (% Proficient)
25-29%
31%
Student-Teacher Ratio
9:1
13:1
American Indian
2%
1%
Asian
n/a
3%
Hispanic
9%
23%
Black
3%
7%
White
82%
60%
Hawaiian
n/a
n/a
Two or more races
4%
6%
All Ethnic Groups
Graduation Rate
80-89%
89%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
32%
41%
Eligible for Reduced Lunch
11%
8%
School Statewide Testing
School District Name
Kaw Valley School District
Source: National Center for Education Statistics (NCES), KS Dept. of Education
School Notes
- School Mascot: Wild Boars
Frequently Asked Questions
What is St. Marys Junior Senior High School's ranking?
St. Marys Junior Senior High School is ranked #840 out of 1,269 schools, which ranks it among the bottom 50% of public schools in Kansas.
What percent of students have achieved state testing proficiency in math and reading?
25-29% of students have achieved math proficiency (compared to the 31% KS state average), while 20-24% of students have achieved reading proficiency (compared to the 32% KS state average).
What is the graduation rate of St. Marys Junior Senior High School?
The graduation rate of St. Marys Junior Senior High School is 80-89%, which is lower than the Kansas state average of 89%.
How many students attend St. Marys Junior Senior High School?
246 students attend St. Marys Junior Senior High School.
What is the racial composition of the student body?
82% of St. Marys Junior Senior High School students are White, 9% of students are Hispanic, 4% of students are Two or more races, 3% of students are Black, and 2% of students are American Indian.
What is the student-teacher ratio of St. Marys Junior Senior High School?
St. Marys Junior Senior High School has a student ration of 9:1, which is lower than the Kansas state average of 13:1.
What grades does St. Marys Junior Senior High School offer ?
St. Marys Junior Senior High School offers enrollment in grades 7-12 (No virtual instruction).
What school district is St. Marys Junior Senior High School part of?
St. Marys Junior Senior High School is part of Kaw Valley School District.
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