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Gridley Middle School Home of the Grizzlies
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350 S. Harrison   |   Tucson, AZ 85748   |    Office: 520-731-4600   |    Fax: 520-731-4601
School Hours - M, T, T, F: 8:30 am-3:30 pm, W: 8:30 am-2:30 pm   |    Bell Schedule  |    Office Hours: 8:00 am-4:00 pm
At Gridley, we focus on individual student achievement.

Our band gives students the chance to develop and express talents.

We offer a rich sports program.

Welcome to Gridley!


  • Our Mission
    To Create Excellence by developing Community,  Integrity, and Community
  • The Three Pillars of PBIS
    Be Safe;  Be Responsible;   Be Respectful


  • Jan 28-Mar14 GMS Soccer Game / Tournament Schedule <-- click here for details
    Jan 28, 29, 31, Feb 4, 7, 11, 12, 13(added)  18

    Games start at 430pm

    Tournaments : Full District Middle School Calendar <-- click here


    March 5 - NAEP  (Selected 8th Graders)

    Mar 5 - Apr 19   -  AIMS Science (8th Grade) 

    Apr 1- 12     -- AZ MERIT -  Writing  (All Grades)

    Apr 1 - 26    -- AZ MERIT - Reading and Math

    Exact Dates TBA


  • TUSD Supper Program now at Gridley (3:30-5:00, M-F)
    No- cost full supper to all Gridley enrolled students
    For Information and Menu of the Month       Or       Text FOOD to 877-877


  • Purchase GMS 2018-2019 Year Book - $40 (Purchase in the Office)
  • ParentVUE Code available in the Office
    This is the link you use to view your students grades and attendance. We are not sending out printed progress reports or report cards. 

  • For Clubs and Athletics Information - See INTERSCHOLASTICS
  • Congratulations to.....
    Gridley Girl's Volleyball - CITY CHAMPIONS

    Gridley Boy's Basketball - RUNNER UP as CITY CHAMPIONS

    Gridley Cross Country Team - CITY CHAMPIONS and THIRD PLACE AT STATE

    Gridley Girl's Basketball - THIRD PLACE CITY

    Gridley Boy's Volleyball - THIRD PLACE CITY

Gridley Information

Team on the Court

Team with Trophy

What Makes Us Special

The focus at Gridley Middle School is on individual student academic achievement, with teachers and staff teaming up to make sure students can do their best. The team approach helps students feel engaged and connected to their school and their learning. The school’s mission is student excellence by concentrating on community, integrity and commitment.

Using an integrated curriculum, students are encouraged to push themselves by getting involved in a nationally known Virtual Reality Lab, and a STEM (Science, Technology, Engineering and Math) program. Honors classes are offered in all core subjects, including Algebra for eighth graders.

Yet, it’s not just all science and math at Gridley. The school offers a Fine Arts program that comprises band, guitar, and orchestra for all grades. Keeping students busy all day also translates into afterschool programs. Gridley has a wide variety of extracurricular activities for all interests such as a garden and chicken coop club, book club, chess club and interscholastic sports.

School Videos

Girls Team with trophy

District Information

Helpful Information

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