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About Us

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:

  • Students: 8:45 a.m. - 3:15 p.m.
  • Band: 7:35 a.m.
  • Activity Dismissal: 4:10 p.m.

Please note: School starts at 8:45 a.m. Students should not be dropped off before 8:35 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.

2022-23 Regular Schedule:

  • Arrival: 8:35 a.m. - 8:45 a.m.
  • 1st Period: 8:45 a.m. - 9:26 a.m.
  • 2nd Period: 9:29 a.m. - 10:10 a.m.
  • 3rd Period: 10:13 a.m. - 10:54 a.m.
  • 4th Period: 10:57 a.m. - 11:37 a.m.
  • 5th Period: 11:40 a.m. - 12:20 p.m.
  • 6th Period: 12:23 p.m. - 1:03 p.m.
  • 7th Period: 1:06 p.m. - 1:47 p.m.
  • 8th Period: 1:50 p.m. - 2:31 p.m.
  • 9th Period: 2:34 p.m. - 3:15 p.m.
  • Dismissal: 3:15 p.m.

2022-23 Half-Day Schedule:

  • Arrival: 8:35 a.m. - 8:45 a.m.
  • 1st Period: 8:45 a.m. - 9:04 a.m.
  • 2nd Period: 9:07 a.m. - 9:26 a.m.
  • 3rd Period: 9:29 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

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

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