About Us

smiling students in hallway

Virgil I. Grissom Middle School serves sixth through eighth grade students in Tinley Park, IL.

Our school strives to provide a dynamic and supportive learning environment that encourages a lifelong love of learning, a commitment to good character, and a dedication to service.

Mascot: Patriots
School Colors: Red, White, and Blue
First Opened: 1975

2022-23 School Hours

School Year Office Hours 7:30 a.m. - 4:00 p.m.
Summer Office Hours

7:30 a.m. - 2:00 p.m.
(During the summer, we are closed for lunch from 11:30 a.m. -12:00 pm. Our offices are also closed on all Fridays in July and the first Friday in August.)
Students 8:45 a.m. - 3:15 p.m.
Band

7:35 a.m.
Activity Dismissal 4:10 p.m. 

2022-23 Bell Schedule

(Students may enter the building at 8:35 am)

Regular Schedule:

Period: Time:
Arrival   8:35 a.m. - 8:45 a.m. 
1st

  8:45 a.m. - 9:26 a.m.
2nd

  9:29 a.m. - 10:10 a.m.
3rd

10:13 a.m. - 10:54 a.m.
4th

10:57 a.m. - 11:37 a.m.
5th

11:40 a.m. - 12:20 p.m.
6th

12:23 p.m. - 1:03 p.m.
7th

  1:06 p.m. - 1:47 p.m.
8th

  1:50 p.m. - 2:31 p.m.
9th

  2:34 p.m. - 3:15 p.m. 
Dismissal   3:15 p.m.

Half-Day Schedule:

Period: Time:
Arrival   8:35 a.m. - 8:45 a.m.
1st

  8:45 a.m. - 9:04 a.m.
2nd

  9:07 a.m. - 9:26 a.m.
3rd

  9:29 a.m. - 9:48 a.m.
4th

  9:51 a.m. - 10:10 a.m.
5th

10:13 a.m. - 10:32 a.m.
6th

10:35 a.m. - 10:54 a.m.
7th

10:57 a.m. - 11:16 a.m.
8th

11:19 a.m. - 11:38 a.m.
9th

11:41 a.m. - 12:00 p.m.
Dismissal

12:00 p.m.

Important Phone Numbers

Grissom Middle School 708-429-3030
District Office 708-532-6462
Special Services 708-532-8537
Transportation 708-532-8539