| Stubbe, James | TAC, Member At Large | Boards & Commissions, Town Manager | | |
| Sullivan, Mallory | CDBG Subcommittee, CDBG Administrator | | | Mjsullivan@town.arlington.ma.us |
| Susse, Jennifer | Budget Revenue Task Force, School Committee | | | |
| Susse, Jennifer | Finance Committee (Prct. 3, 2024) | | | |
| Susse, Jennifer | Election Modernization Committee, School Committee Designee | Town Manager | | |
| Susse, Jennifer | Remote Participation Study Committee, Co-Chair | | | |
| Svenson, Carol | Master Plan Advisory Committee | Boards & Commissions, Town Manager | | |
| Swaim, Dave | Human Rights Response Coordination Team | Boards & Commissions, Town Manager | | |
| Swan, Laura | TAC, School Committee Liaison, Chair | Boards & Commissions, Town Manager | | |
| Swanson, David | Co-Chair, Community Preservation Act Committee, Select Board Appointee | Town Manager | | |
| Takahashi, Shoji | TAC, Member At Large, Secretary | Boards & Commissions, Town Manager | | |
| Tee, Carol | Historic Districts Commission, At-Large, 2024 | Boards & Commissions, Town Manager | | |
| Thielman, Jeff | School Enrollment Task Force, School Committee | Town Manager | | jthielman@arlington.k12.ma.us |
| Thielman, Jeff | School Committee, 2027 | Boards & Commissions, Town Manager | (781) 316-1728 | jthielman@arlington.k12.ma.us |
| Thornton, Barbara | Central School Feasibility Study Committee | Boards & Commissions | | |
| Thornton, Barbara | Building Maintenance Comm | Boards & Commissions, Town Manager | | |
| Timperi, Jeff | Arlington Cultural Council, Chair, Co-Chair, 1/31/2021 | | | |
| Tintocalis, Melissa | Master Plan Advisory Committee | Boards & Commissions, Town Manager | | |
| Tirone, Charles | Conservation Commission, Chair | Boards & Commissions | | |
| Tonkin, Christopher | Minuteman Bikeway 25th Anniversary Committee | | | |
