Arlington High School

1157 Rt 55, Lagrangeville, NY 12540

BSchola Grade
Grades
9–12
High
Students
2,472
Enrolled 2024–25
Students per teacher
14.4 : 1
Full-time teachers
District
Arlington Central School District
Dutchess County

Schola Grade B · Above average

Letter grade (A–F) · compared with 1,093 New York high schools · How we grade
Test scores78% proficient in math & reading
60thpercentile
Equity73% of low-income students proficient
61stpercentile
Attendance26% chronically absent
65thpercentile
Graduation rate93% graduate in 4 years
59thpercentile
College readinessAt least 26% take AP, IB or dual-enrollment courses
52ndpercentile
Class size14.4 students per teacher
9thpercentile

Percentiles compare this school with other New York high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Arlington High School

Arlington High School is a public high school in Lagrangeville, New York, serving grades 9–12. It is part of Arlington Central School District. The school is located in a large suburb in Dutchess County.

In the 2024–25 school year, 2,472 students were enrolled, with about 14.4 students for every full-time teacher. That ratio is larger than the typical New York high school (10.7 students per teacher). Its Schola Grade is B (above average), compared with 1,093 New York high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

1157 Rt 55
Lagrangeville, NY 12540
Open in Google Maps

School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
2,472 students
Students per teacher
14.4 to 1
AP courses offered
25
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Arlington Central School District
County
Dutchess County
NCES school ID
360327000088

Schools near Arlington High School

All 4 schools in Lagrangeville →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.