Tri-Valley Secondary School is located on 34 Moore Hill Road, near the Rondout Reservoir, east of Grahamsville, New York. It educates students from pre-kindergarten to twelfth grade and is within the Tri-Valley Central School District.
Serving 408 students in grades 7-12, Tri-valley Secondary School ranks in the bottom 50% of all schools in New York for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 40-44% (which is lower than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is lower 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 29% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 7-12
- Enrollment: 408 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 29%
- Graduation Rate: 90-94% (Top 50% in NY)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 40-44% (Btm 50%)
- Reading Proficiency: 35-39% (Btm 50%)
- Science Proficiency: 85-89% (Top 50%)
- Attendance Zone: TRI-VALLEY SECONDARY SCHOOL's attendance zone encompasses the entire district in Grahamsville, NY, covering an area of approximately 195.9 square miles. The typical drive to the school is between 10 to 15 minutes, with an average distance of 7.2 miles to the zone's edge and a maximum reach of 12.7 miles.
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Overview
Tri-valley Secondary School's student population of 408 students has declined by 9% over five school years.
The teacher population of 45 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 7-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
408 students
Total Classroom Teachers
45 teachers
School Calendar
Average Class Size
19 students
School Rankings
Tri-valley Secondary School ranks within the bottom 50% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Tri-valley Secondary School is 0.46, 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
#2894 out of 4346 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
40-44%
52%
Reading/Language Arts Test Scores (% Proficient)
35-39%
49%
Science Test Scores (% Proficient)
85-89%
78%
Student-Teacher Ratio
9:1
11:1
Asian
3%
10%
Hispanic
19%
31%
Black
4%
15%
White
71%
39%
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
90-94%
87.2%
Chronically Absent Students
(22-23)41.4%
34.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
47%
55%
Eligible for Reduced Lunch
3%
3%
School Statewide Testing
School District Name
Sports
Colors
Blue, Red
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is Tri-valley Secondary School's ranking?
Tri-valley Secondary School is ranked #2894 out of 4,346 schools, which ranks it among the bottom 50% of public schools in New York.
What schools are Tri-valley Secondary School often compared to?
Tri-valley Secondary Schoolis often viewed alongside schools like Sullivan West High School At Lake Huntington by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 52% NY state average), while 35-39% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Tri-valley Secondary School?
The graduation rate of Tri-valley Secondary School is 90-94%, which is higher than the New York state average of 87.2%.
How many students attend Tri-valley Secondary School?
408 students attend Tri-valley Secondary School.
What is the racial composition of the student body?
71% of Tri-valley Secondary School students are White, 19% of students are Hispanic, 4% of students are Black, 3% of students are Asian, and 3% of students are Two or more races.
What is the student-teacher ratio of Tri-valley Secondary School?
Tri-valley Secondary School has a student ration of 9:1, which is lower than the New York state average of 11:1.
What grades does Tri-valley Secondary School offer ?
Tri-valley Secondary School offers enrollment in grades 7-12 (Supplemental Virtual).
What school district is Tri-valley Secondary School part of?
Tri-valley Secondary School is part of Tri-Valley Central School District.
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