Serving 283 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 9:1 is lower than the New York state level of 11:1.
Minority enrollment is 5% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 283 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 5%
- 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 283 students has declined by 18% over five school years.
The teacher population of 32 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
283 students
Total Classroom Teachers
32 teachers
Year Founded
2025
School Calendar
School Motto
Challenging and Inspiring Children to be Life-Long Learners
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 0.10, which is less than the diversity score at state average of 0.73. 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
9:1
11:1
American Indian
n/a
1%
Asian
n/a
10%
Hispanic
3%
31%
Black
n/a
15%
White
95%
39%
Hawaiian
n/a
n/a
Two or more races
2%
4%
All Ethnic Groups
Graduation Rate
≥95%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
40%
55%
Eligible for Reduced Lunch
4%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
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?
283 students attend Mount Markham Senior High School.
What is the racial composition of the student body?
95% of Mount Markham Senior High School students are White, 3% of students are Hispanic, and 2% 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 9:1, 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.
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