Serving 307 students in grades 9-12, Mount Markham Senior High School ranks in the top 10% of all schools in New York for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 60-79% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 90-94% (which is higher than the New York state average of 49%).
The student:teacher ratio of 10:1 is lower than the New York state level of 11:1.
Minority enrollment is 6% of the student body (majority Hispanic), which is lower than the New York state average of 60% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 307 students
- Student:Teacher Ratio: 10:1
- Minority Enrollment: 6%
- Graduation Rate: ≥95% (Top 10% in NY)
- Overall Testing Rank: Top 10%
- Math Proficiency: 60-79% (Top 30%)
- Reading Proficiency: 90-94% (Top 5%)
- Science Proficiency: 90-94% (Top 20%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Mount Markham Senior High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Mount Markham Senior High School's student population of 307 students has declined by 14% over five school years.
The teacher population of 32 teachers has grown by 6% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
307 students
Gender %
Total Classroom Teachers
32 teachers
School Rankings
Mount Markham Senior High School ranks within the top 10% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Mount Markham Senior High School is 0.12, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#423 out of 4346 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
60-79%
52%
Reading/Language Arts Test Scores (% Proficient)
90-94%
49%
Science Test Scores (% Proficient)
90-94%
78%
Student : Teacher Ratio
10:1
11:1
American Indian
n/a
1%
Asian
1%
10%
Hispanic
3%
30%
Black
1%
16%
White
94%
40%
Hawaiian
n/a
n/a
Two or more races
1%
3%
All Ethnic Groups
Graduation Rate
≥95%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
45%
54%
Eligible for Reduced Lunch
4%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Mount Markham Senior High School's ranking?
Mount Markham Senior High School is ranked #423 out of 4,346 schools, which ranks it among the top 10% of public schools in New York.
What percent of students have achieved state testing proficiency in math and reading?
60-79% of students have achieved math proficiency (compared to the 52% NY state average), while 90-94% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Mount Markham Senior High School?
The graduation rate of Mount Markham Senior High School is 95%, which is higher than the New York state average of 87%.
How many students attend Mount Markham Senior High School?
307 students attend Mount Markham Senior High School.
What is the racial composition of the student body?
94% of Mount Markham Senior High School students are White, 3% of students are Hispanic, 1% of students are Asian, 1% of students are Black, and 1% of students are Two or more races.
What is the student:teacher ratio of Mount Markham Senior High School?
Mount Markham Senior High School has a student ration of 10:1, which is lower than the New York state average of 11:1.
What grades does Mount Markham Senior High School offer ?
Mount Markham Senior High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Mount Markham Senior High School part of?
Mount Markham Senior High School is part of Mount Markham Central School District.
School Reviews
Review Mount Markham Senior High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles

The 15 Biggest Failures of the American Public Education System
The world is in a constant state of change and those who fail to adjust fall behind. Unfortunately, the American public education system has not kept up with the times and is currently facing a number of serious problems. Keep reading to learn about the biggest failures affecting the modern U.S. public education system as well as some of the trends that could spark change.

Florida Governor Calls for More Funding for State鈥檚 Public School System
Florida Governor Rick Scott has introduced a state budget for next year that pumps one billion more dollars into the public school system. We鈥檒l look at his reasons for the increase and the responses to the proposal.

Can Your Child鈥檚 School Meet the National Standards?
The article discusses the challenges public schools face in meeting national educational standards. It examines current performance trends, identifies key issues affecting student achievement, and explores potential solutions for improving academic outcomes across U.S. public schools.