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 am - 3:07 pm
- Band: 7:35 am
- Activity Dismissal: 4:10 pm
Please note: School starts at 8:40 am. Students should not be dropped off before 8:30 am.
- School Year Office Hours: 7:30 am - 4:00 pm
- Summer Office Hours: 7:30 am - 2:00 pm. During the summer, we are closed for lunch from 11:30 am -12:00 pm. Our offices are also closed on all Fridays in July and the first Friday in August.
Regular Schedule:
- Arrival: 8:30 am - 8:40 am
- 1st Period: 8:40 am - 9:23 am
- 2nd Period: 9:26 am - 10:06 am
- 3rd Period: 10:09 am - 10:49 am
- 4th Period: 10:52 am - 11:32 am
- 5th Period: 11:35 am - 12:15 pm
- 6th Period: 12:18 pm - 12:58 pm
- 7th Period: 1:01 pm - 1:41 pm
- 8th Period: 1:44 pm - 2:24 pm
- 9th Period: 2:27 pm - 3:07 pm
- Dismissal: 3:07 pm
Half-Day Schedule:
- Arrival: 8:35 am - 8:40 am
- 1st Period: 8:40 am - 9:02 am
- 2nd Period: 9:05 am - 9:25 am
- 3rd Period: 9:28 am - 9:48 am
- 4th Period: 9:51 am - 10:10 am
- 5th Period: 10:13 am - 10:32 am
- 6th Period: 10:35 am - 10:54 am
- 7th Period: 10:57 am - 11:16 am
- 8th Period: 11:19 am - 11:38 am
- 9th Period: 11:41 am - 12:00 pm
- Dismissal: 12:00 pm
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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