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Alden Central School District
- Alden Primary At Townline Calendar
- Alden Middle School Calendar
- Alden Intermediate School Calendar
- Alden Senior High School Calendar
Other districts in New York state
- Averill Park Central School District
- Arlington Central School District
- Altmar-Parish-Williamstown Central School District
- Amagansett Union Free School District
- Alfred-Almond Central School District
- Amani Public Charter School
- Allegany-Limestone Central School District
- Amber Charter School
- Amber Charter School Kingsbridge
- Amherst Central School District
- Amityville Union Free School District
- Ardsley Union Free School District
- Andover Central School District
- Argyle Central School District
- Amsterdam City School District
- Arkport Central School District
- Attica Central School District
- Avon Central School District
- Avoca Central School District
- Auburn City School District
- Ausable Valley Central School District
- Academy Charter School-Uniondale (The)
- Academy Charter School
- Addison Central School District
- Akron Central School District
- Albany Leadership Charter High School For Girls
- Albion Central School District