Cathedral 7-12 High School

No Classes- Indigenous Peoples' Day
2025-10-13

Family-Teacher Conferences
2025-10-14 - 2025-10-15

PSAT/SAT (Gr. 10-12)
2025-10-15

Picture Retakes
2025-10-20

Open House
2025-10-25 12:00 - 14:00 (America/New_York) | Cathedral High School, 74 Union Park Street, Boston, MA, 02118, United States
Get to know Cathedral High School at our annual Open House on Saturday, October 25!
At Open House, you will discover all the opportunities Cathedral has to offer!

Meet current Cathedral scholars and hear about their experiences as Panthers.
Engage with faculty and staff.
Tour our historic South End campus, including our new Applied Learning Center and 13,000-foot gymnasium.
Speak with our Finance office to discover how Cathedral is affordable for your family.
Ask questions to Admissions representatives and learn how to apply.
… and more!

REGISTER HERE

End of Quarter 1
2025-10-31

No Classes- Faculty Professional Development
2025-11-10, 2026-03-09

No Classes- Veterans Day
2025-11-11

No Late Start
2025-11-12

No Classes- Thanksgiving Break
2025-11-26 - 2025-11-28

Virtual Family Teacher Conference
2025-12-09 16:00 - 19:00

Spirit Day, Early Dismissal
2025-12-19

No Classes- Christmas Break
2025-12-22 - 2026-01-02

End of Quarter 2
2026-01-16

No Classes- MLK Jr. Day
2026-01-19

Midyear Exams
2026-01-20 - 2026-01-23

MAP Testing (Grades 7-8)
2026-01-20 - 2026-01-23

Catholic Schools Week Begins
2026-01-26

Makeup MAP Testing (Grades 7-8)
2026-01-28

No Classes- Winter Break
2026-02-16 - 2026-02-20

Virtual Family- Teacher Conferences
2026-03-03

Course Registration for 2026-27 Academic Year
2026-03-12

Grade 10 Retreat
2026-03-12

End of Quarter 3
2026-03-27

Grade 11 SAT
2026-03-31

Career Day
2026-04-02

No Classes- Good Friday
2026-04-03

MAP Testing
2026-04-04 - 2026-04-15

Easter Sunday
2026-04-05
