2025-26 Allen Isd Calendar. Key features of the calendar. June 7, 14, 21 and 28:. Summer academy at select schools. Changes are coming next academic year for killeen isd students and staff. 2025-26 Allen Isd Calendar Images References :
2025-26 Allen Isd Calendar. Key features of the calendar. June 7, 14, 21 and 28:. Summer academy at select schools. Changes are coming next academic year for killeen isd students and staff.