About Us

smiling students standing in a row in school 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

School Hours

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

7:30 a.m. - 3:00 p.m.
(During the summer, we are closed for lunch from 12:00 -1:00 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. - 8:30 a.m.
Activity Dismissal 4:05 p.m.
Half-Day Schedule 8:45 a.m. - 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

Arrival & Dismissal Procedures

Please view our Arrival & Dismissal Procedures here.

Bell Schedule

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

Regular Schedule:

Period: Time:
1st

8:45 a.m. - 9:30 a.m.
2nd

9:33 a.m. - 10:18 a.m.
3rd

10:21 a.m. - 11:06 a.m.
4th

11:09 a.m. - 11:54 a.m.
5th

11:57 a.m. - 12:42 p.m.
6th

12:45 p.m. - 1:30 p.m.
7th

1:33 p.m. - 2:18 p.m.
8th

2:21 p.m. - 3:06 p.m.
Bus Dismissal

3:10 p.m.
Student Dismissal

3:15 p.m.
Activity Period

3:15 p.m. - 4:10 p.m.

Half-Day Day Schedule (Early Dismissal)

Period: Time:
1st 8:45 a.m. - 9:08 a.m.
2nd 9:11 a.m. - 9:32 a.m.
3rd 9:35 a.m. - 9:56 a.m.
4th 9:59 a.m. - 10:20 a.m.
5th 10:23 a.m. - 10:44 a.m.
6th 10:47 a.m. - 11:08 a.m.
7th 11:11 a.m. - 11:32 a.m.
8th 11:35 a.m. - 11:56 a.m.
Student Dismissal

12:00 p.m.
  • All classes have a three minute passing time.
  • Students should not arrive at school before 8:35 a.m. each morning.
  • Students' lunch periods will fall within 4th, 5th, or 6th periods.
  • Students who ride buses must use the bus each day. For safety reasons, students may not choose to walk home without written permission from their parents.