| May 17th, 2024 | Last day the Department is permitted to mail absentee ballots for the Cape Henlopen School District referendum |
| May 20th, 2024 at 12 Noon | Last time the Department is permitted to issue absentee ballots for the Cape Henlopen School District referendum |
| May 21st, 2024 | School Referendum. Polls are open from 7 a.m. until 8 p.m. |
| May 21st, 2024 at 8 p.m. | Deadline to return voted absentee ballots to the Department's Sussex County Office in order for them to be counted. |
| May 23rd, 2024, at 10:00 a.m. | Certification of the referendum at the Department's Sussex County Office. |
| May 23rd, 2024, at 11:00 a.m. | Audit of the ballots cast on one randomly selected voting machine and at one randomly selected polling place used in the Referendum. |