Marking Period Dates for the 2025-2026 School Year Marking Period 1 — 09/04/2025 to 11/11/2026 Marking Period 2 — 11/12/2025 to 02/02/2026 Marking Period 3 — 02/03/2026 to 04/16/2026 Marking Period 4 — 04/17/2026 to 06/15/2026 Contact Sussex County Charter School Today! Call Now