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Summer Office Hours
Summer Office Hours​.  Click for more information.
Summer Office Hours

Summer Office Hours​.  Click for more information.

From July 4 to August 24, the school will be open Monday through Thursday, 7 a.m. to 2 p.m.  Regular office hours (7:30 a.m. to 3:30 p.m.) will begin on August 28. 

Basketball Camp
All Day
Gr. 9 Student Registration
9:00 AM- 10:00 AM
Gr. 9 Student Orientation
10:00 AM- 12:00 PM
Gr. 10-12 Student Registration
9:00 AM- 4:00 PM
Board Meeting
7:00 PM- 9:00 PM
Girls Basketball Tryouts
10:00 AM- 12:00 PM
  • Homestay Families Sought for International Students
    We are currently looking for homestay families for three female grade ten scholarship students from the Canary Islands for four months beginning September.  ...
  • Social Media
    Be informed using GLSS social media:

    • Facebook • Twitter • Instagram • YouTube
    Parents/guardians may be added to our e-mail distribution list by...
  • Provincial government changes to drinking water regulations for schools, effective July 1
    ​The Ontario government has made amendments to Ontario Regulation 243, which came into effect for schools in 2007 and is intended to reduce children's...
  • CLASS_Logo.png
    CLASS and school bus operators offer First Time Rider Orientation Day Aug. 19
    Chatham-Kent Lambton Administrative School Services (CLASS), together with local school bus operators, will host its annual First Time Rider Orientation Day on Saturday, Aug....
  • Thoughtexchange Report Reveals Community Thoughts Regarding LKDSB’s Proposed Plan for Blenheim, Ridgetown, South Chatham and Tilbury
    ​The Lambton Kent District School Board (LKDSB) has published a report on the results from the Thoughtexchange process on the proposed plan for the Blenheim,...
  • Bell Schedule

    • Period A 8:05am - 9:25am
    • Period B 9:30am-10:45am
    • Lunch 10:45am-11:45am
    • Period C 11:45am-1:00pm
    • Period D 1:05pm-2:20pm


    Great Lakes Secondary School
    275 Wellington St, Sarnia, ON, N7T 1H1
    Principal: Paul Wiersma
    Vice Principal: Jeremy Gower
    Vice Principal: Caroline White
    Bus Zone: 2BUS STATUS

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