Guilderland High School is a public senior high school, located in Guilderland Center, New York. It is part of the Guilderland Central School District. Constructed in 1953, the high school has since undergone additions in 1955, 1960, 1997, 2010, and 2021.
Serving 1,476 students in grades 9-12, Guilderland High School ranks in the top 10% of all schools in New York for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 72% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is ≥95% (which is higher than the New York state average of 49%).
The student-teacher ratio of 11:1 is equal to the New York state level of 11:1.
Minority enrollment is 34% of the student body (majority Asian), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,476 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 34%
- Graduation Rate: 94% (Top 30% in NY)
- Overall Testing Rank: Top 10%
- Math Proficiency: 72% (Top 20%)
- Reading Proficiency: ≥95% (Top 1%)
- Science Proficiency: 97% (Top 5%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Guilderland High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Guilderland High School's student population of 1,476 students has stayed relatively flat over five school years.
The teacher population of 134 teachers has declined by 17% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,476 students
Total Classroom Teachers
134 teachers
Year Founded
1953
School Calendar
School Rankings
Guilderland 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 Guilderland High School is 0.53, 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
#317 out of 4346 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
72%
52%
Reading/Language Arts Test Scores (% Proficient)
≥95%
49%
Science Test Scores (% Proficient)
97%
78%
Student-Teacher Ratio
11:1
11:1
American Indian
n/a
1%
Asian
16%
10%
Hispanic
7%
31%
Black
6%
15%
White
66%
39%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Graduation Rate
94%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
27%
55%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Notes
- School Mascot: Flying Dutchmen
Frequently Asked Questions
What is Guilderland High School's ranking?
Guilderland High School is ranked #317 out of 4,346 schools, which ranks it among the top 10% of public schools in New York.
What schools are Guilderland High School often compared to?
Guilderland High Schoolis often viewed alongside schools like Bethlehem Central Senior High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
72% of students have achieved math proficiency (compared to the 52% NY state average), while ≥95% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Guilderland High School?
The graduation rate of Guilderland High School is 94%, which is higher than the New York state average of 87%.
How many students attend Guilderland High School?
1,476 students attend Guilderland High School.
What is the racial composition of the student body?
66% of Guilderland High School students are White, 16% of students are Asian, 7% of students are Hispanic, 6% of students are Black, and 5% of students are Two or more races.
What is the student-teacher ratio of Guilderland High School?
Guilderland High School has a student ration of 11:1, which is equal to the New York state average of 11:1.
What grades does Guilderland High School offer ?
Guilderland High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Guilderland High School part of?
Guilderland High School is part of Guilderland Central School District.
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