Arlington Central School District
|144 Todd Hill Rd., LaGrangeville, NY 12540
Dutchess County, New York
|Superintendent||Brendan J. Lyons|
|Asst. Superintendent(s)||Lynn Rafalik, Pupil Personnel Services, Christine Lowden, Curriculum and Instruction, Robin Zimmerman, Business|
|Students and staff|
|Teachers||683 (FTE) |
|Student-teacher ratio||14.25 |
The district's territory covers substantial parts of the Towns of Beekman, La Grange, Pleasant Valley, Poughkeepsie, and Union Vale. The district also includes small parts of the Towns of East Fishkill, Hyde Park, Pawling and Wappinger.
As of 2011, ACSD had 9,724 students. In the 2010-2011 school year one elementary school, LaGrange, was shut down, its last day being June 23, 2010. Its building was converted into office space for the district. In 2014, Arlington Middle School was converted into Arthur S. May Elementary School, and the former Arthur S. May building was shut down. Both structures had served as a high school for the district in the past. 
- Beekman Elementary School
- Vail Farm Elementary School
- Noxon Road Elementary School
- Titusville Intermediate School
- Overlook Primary School
- Arthur S. May Elementary School
- Joseph D'Aquanni West Road Intermediate School
- Traver Road Primary School
|LaGrange Middle School||LaGrange||Grades 6-8||Formerly AHS South Campus|||
|Union Vale Middle School||Union Vale||Grades 6-8||Constructed In 2004, along with Vail Farm Elementary School|||
- "Facts at a Glance". Arlington Central School District. Archived from the original on 26 February 2013. Retrieved 1 February 2013.
- "Search for Public School Districts – District Detail for Arlington Central School District". National Center for Education Statistics. Institute of Education Sciences. Retrieved 1 February 2013.
- "Arlington Central School District". National Center for Education Statistics. Retrieved 1 February 2013.
- "2010 Year in Review". Poughkeepsie Journal. 2010-12-31. Retrieved 2015-09-03.
- Davis, John (2011-07-01). "Old LaGrange Elementary gets new life as office space". Poughkeepsie Journal. Archived from the original on 2015-10-07. Retrieved 2015-09-03.
- Schutzman, Nina (2014-06-25). "VIDEO: Arlington students say last goodbye to two buildings". Poughkeepsie Journal. Retrieved 2015-09-03.