Travel for Credit Summer 2026
Grade 10-12 Information Session
Wednesday, March 4, 2026 | 7:00 p.m. | All Saints C.S.S.
Reverend John Markle School to Home Communications Award
DCDSB Celebrates 30 Years of Black History Month: Honouring Black Brilliance and Tomorrow’s Visionaries
Secondary Course Selection
2025-2026 School Year Calendar
People of Peace
What's Happening
Contact Us
3001 Country Lane
Whitby, ON L1P 1M1
Phone: 905-666-7753
Fax: 905-666-7815
Board Website | Bullying Report
Principal: J. Langstaff Mullett
Vice-Principal: J. Pedro-Neimann (A-F)
Vice-Principal: J. Neundorf (G-O)
Vice-Principal: L. Paterson (P-Z)
Bell Times
School Bell Times: 8:45 a.m. - 2:45 p.m.
Period 1: 8:45 a.m. - 10:05 a.m.
Period 2: 10:10 a.m. - 11:25 a.m.
Lunch: 11:25 a.m. - 12:10 p.m.
Period 3: 12:10 p.m. - 1:25 p.m.
Period 4: 1:30 p.m. - 2:45 p.m.