Class and Bell Schedules

The Glenbrook High Schools operates on a block schedule divided into four periods. A, B, and C lunch periods are staggered during the third block.

Daily Schedules

Regular Schedule
Late Arrival Schedule

Check out each campus' website to view modified schedules or to download a PDF format of the schedule.

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GBN Schedules

GBN Regular Schedule

BLOCK 1 8 - 9:33 a.m. 93 minutes
PASSING PERIOD 9 minutes
BLOCK 2 9:42 - 11:12 a.m. 90 Minutes
PASSING PERIOD 9 minutes
LUNCH A 11:21 a.m. - 12:06 p.m. 45 minutes	BLOCK 3 11:21 a.m. - 12:06 p.m. 45 minutes	BLOCK 3 11:21 a.m. - 12:51 p.m. 90 minutes
BLOCK 3 12:06 - 1:36 p.m. 90 minutes	LUNCH B 12:06 - 12:51 p.m. 45 minutes
	BLOCK 3 12:51 - 1:36 p.m. 45 minutes	LUNCH C 12:51 - 1:36 p.m. 45 minutes
PASSING PERIOD 9 minutes
BLOCK 4 1:45 - 3:15 p.m. 90 Minutes

GBN Late Arrival Schedule

Block 1

9:30 -10:40 a.m.

70 minutes

Passing Period

5 minutes

Block 2

10:45 - 11:55 a.m.

70 minutes

Passing Period

5 minutes

Lunch A

12 - 12:40 p.m.

40 minutes

Block 3

12 - 12:40 p.m.

40 minutes

Block 3

12 - 1:20 p.m.

80 minutes

Block 3

12:40 - 2 p.m.

80 minutes

Lunch B

12:40 - 1:20 p.m.

40 minutes

Block 3

1:20 - 2 p.m.

40 minutes

Lunch 3

1:20 - 2 p.m.

40 minutes

Passing Period

5 minutes

Block 4

2:05 - 3:15 p.m.

70 minutes

GBO Schedules

GBO Regular Schedule

BLOCK 1

8:45 - 9:30 a.m.

BREAK

9:30 - 9:40 a.m.

BLOCK 2/3

9:40 - 11:10 a.m.

BLOCK 4

11:10 - 11:55 a.m.

LUNCH

11:55 a.m. - 12:15 p.m.

BLOCK 5

12:15 - 1 p.m.

BLOCK 6/7

1 - 2:30 p.m.

GBO Late Arrival Schedule

BLOCK 1

9:30 - 10:09 a.m.

BREAK

10:09 - 10:19 a.m.

BLOCK 2/3

10:19 - 11:35 a.m.

BLOCK 4

11:35 a.m. - 12:14 p.m.

LUNCH

12:14 - 12:34 p.m.

BLOCK 5

12:34 - 1:13 p.m.

BLOCK 6/7

1:13 - 2:30 p.m.

GBS Schedules

GBS Regular Schedule

BLOCK 1 8 - 9:33 a.m. 93 minutes
PASSING PERIOD 9 minutes
BLOCK 2 9:42 - 11:12 a.m. 90 Minutes
PASSING PERIOD 9 minutes
LUNCH A 11:21 a.m. - 12:06 p.m. 45 minutes	BLOCK 3 11:21 a.m. - 12:06 p.m. 45 minutes	BLOCK 3 11:21 a.m. - 12:51 p.m. 90 minutes
BLOCK 3 12:06 - 1:36 p.m. 90 minutes	LUNCH B 12:06 - 12:51 p.m. 45 minutes
	BLOCK 3 12:51 - 1:36 p.m. 45 minutes	LUNCH C 12:51 - 1:36 p.m. 45 minutes
PASSING PERIOD 9 minutes
BLOCK 4 1:45 - 3:15 p.m. 90 Minutes

GBS Late Arrival Schedule

Block 1

9:30 -10:40 a.m.

70 minutes

Passing Period

5 minutes

Block 2

10:45 - 11:55 a.m.

70 minutes

Passing Period

5 minutes

Lunch A

12 - 12:40 p.m.

40 minutes

Block 3

12 - 12:40 p.m.

40 minutes

Block 3

12 - 1:20 p.m.

80 minutes

Block 3

12:40 - 2 p.m.

80 minutes

Lunch B

12:40 - 1:20 p.m.

40 minutes

Block 3

1:20 - 2 p.m.

40 minutes

Lunch 3

1:20 - 2 p.m.

40 minutes

Passing Period

5 minutes

Block 4

2:05 - 3:15 p.m.

70 minutes