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Harriton High School Bell Schedule
Also known as HHS
Rosemont, PA · Lower Merion School District · Grades 9–12
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A Day Bell Schedule
| Period | Begin | End | Length | Countdown |
|---|---|---|---|---|
| Set 1 | 8:30 AM | 9:20 AM | 50 min | |
| Set 2 | 9:25 AM | 10:14 AM | 49 min | |
| Advisory | 10:19 AM | 10:39 AM | 20 min | |
| Set 3 | 10:44 AM | 11:33 AM | 49 min | |
| Lunch and Learn | 11:33 AM | 12:33 PM | 60 min | |
| Set 5 | 12:38 PM | 1:27 PM | 49 min | |
| Set 6 | 1:32 PM | 2:21 PM | 49 min | |
| Set 7 | 2:26 PM | 3:15 PM | 49 min |
Harriton High's own Regular Bell Schedule 2026-27 (A-D letter days, shared by both LMSD high schools). Grade span from the NCES CCD 2023-24 directory.
B Day Bell Schedule
| Period | Begin | End | Length | Countdown |
|---|---|---|---|---|
| Set 4 | 8:30 AM | 9:25 AM | 55 min | |
| Set 1 | 9:30 AM | 10:23 AM | 53 min | |
| Set 2 | 10:28 AM | 11:21 AM | 53 min | |
| Lunch and Learn | 11:21 AM | 12:21 PM | 60 min | |
| Set 8 | 12:26 PM | 1:19 PM | 53 min | |
| Set 5 | 1:24 PM | 2:17 PM | 53 min | |
| Set 6 | 2:22 PM | 3:15 PM | 53 min |
Harriton High's own Regular Bell Schedule 2026-27 (A-D letter days, shared by both LMSD high schools). Grade span from the NCES CCD 2023-24 directory.
C Day Bell Schedule
| Period | Begin | End | Length | Countdown |
|---|---|---|---|---|
| Set 3 | 8:30 AM | 9:25 AM | 55 min | |
| Set 4 | 9:30 AM | 10:23 AM | 53 min | |
| Set 1 | 10:28 AM | 11:21 AM | 53 min | |
| Lunch and Learn | 11:21 AM | 12:21 PM | 60 min | |
| Set 7 | 12:26 PM | 1:19 PM | 53 min | |
| Set 8 | 1:24 PM | 2:17 PM | 53 min | |
| Set 5 | 2:22 PM | 3:15 PM | 53 min |
Harriton High's own Regular Bell Schedule 2026-27 (A-D letter days, shared by both LMSD high schools). Grade span from the NCES CCD 2023-24 directory.
D Day Bell Schedule
| Period | Begin | End | Length | Countdown |
|---|---|---|---|---|
| Set 2 | 8:30 AM | 9:25 AM | 55 min | |
| Set 3 | 9:30 AM | 10:23 AM | 53 min | |
| Set 4 | 10:28 AM | 11:21 AM | 53 min | |
| Lunch and Learn | 11:21 AM | 12:21 PM | 60 min | |
| Set 6 | 12:26 PM | 1:19 PM | 53 min | |
| Set 7 | 1:24 PM | 2:17 PM | 53 min | |
| Set 8 | 2:22 PM | 3:15 PM | 53 min |
Harriton High's own Regular Bell Schedule 2026-27 (A-D letter days, shared by both LMSD high schools). Grade span from the NCES CCD 2023-24 directory.
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Harriton High School Start and End Times
- School day
- 8:30 AM to 3:15 PM (6 h 45 min)
- In the district
- Same start as 1 of the other 2 Lower Merion School District schools we list
- B Day
- 8:30 AM to 3:15 PM
- C Day
- 8:30 AM to 3:15 PM
- D Day
- 8:30 AM to 3:15 PM
- Grades
- 9–12
- District
- Lower Merion School District
About this schedule
Source: the school’s own bell schedule page.
Abbreviation
For developers
This schedule is available as JSON at /api/v1/schools/harriton-high-school-pa.