A−
Arlington High School
PublicHighGrades 9–12
1157 Rt 55, Lagrangeville, NY 12540 · (845) 486-4860 · Part of Arlington Central School District
Students
2,472
Students per teacher
14:1
Free or reduced lunch
31%
Setting
Suburb
Grades
9–12
What stands out about Arlington High School
- School Grade A−: near the top of Connecticut’s public schools
- Math proficiency 39 pts above the state
- Enrollment down 8.5% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency95%
State average 56.1%
Reading / language arts58%
State average 62.6%
Location
Directions ↗
1157 Rt 55, Lagrangeville
Students
Enrollment by grade
Grade 9642
Grade 10617
Grade 11551
Grade 12636
Ungraded26
Enrollment over time
2,701’20
2,619’21
2,547’22
2,472’23
2,472’24
Down 8.5% since 2020.
Who goes here
White 57%Hispanic 24%Black 10%Two or more races 5%Asian 3%Native Hawaiian/Pacific Islander <1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Arlington High School.
Other schools in Arlington Central School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.