About Us

Virgil I. Grissom Middle School serves sixth through eighth grade students in Tinley Park, IL. We are committed to working in partnership with our community to build a safe, respectful, and nurturing environment where students are equipped with skills for life and learning. 

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

School Hours:

• Students: 8:40 a.m. - 3:07 p.m.
• Band: 7:25 a.m.
• Activity Dismissal: 4:05 p.m.

Please note: School starts at 8:40 a.m. Students should not be dropped off before 8:30 a.m.

• 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 p.m. Our offices are also closed on all Fridays in July and the first Friday in August.

Regular Schedule:

• Arrival: 8:25 a.m. - 8:40 a.m.
• 1st Period: 8:40 a.m. - 9:23 a.m.
• 2nd Period: 9:26 a.m. - 10:06 a.m.
• 3rd Period: 10:09 a.m. - 10:49 a.m.
• 4th Period: 10:52 a.m. - 11:32 a.m.
• 5th Period: 11:35 a.m. - 12:15 p.m.
• 6th Period: 12:18 p.m. - 12:58 p.m.
• 7th Period: 1:01 p.m. - 1:41 p.m.
• 8th Period: 1:44 p.m. - 2:24 p.m.
• 9th Period: 2:27 p.m. - 3:07 p.m.
• Dismissal: 3:07 p.m.

Half-Day Schedule:

• Arrival: 8:25 a.m. - 8:40 a.m.
• 1st Period: 8:40 a.m. - 9:02 a.m.
• 2nd Period: 9:05 a.m. - 9:25 a.m.
• 3rd Period: 9:28 a.m. - 9:48 a.m.
• 4th Period: 9:51 a.m. - 10:10 a.m.
• 5th Period: 10:13 a.m. - 10:32 a.m.
• 6th Period: 10:35 a.m. - 10:54 a.m.
• 7th Period: 10:57 a.m. - 11:16 a.m.
• 8th Period: 11:19 a.m. - 11:38 a.m.
• 9th Period: 11:41 a.m. - 12:00 p.m.
• Dismissal: 12:00 p.m.

Student Support

Before and after school student support is available from mid-September through mid-May. Please contact the school office at 708-429-3030 for more information.

Important Phone Numbers

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