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World Class for All

Welcome

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Costello Celebrates International Night

Students, staff, and family were all invited to the Costello Elementary School's International Night.  Participants learn about different countries and their cultures.  Staff, student, parent volunteer their time to bring the event to life. The event highlights ethnic foods, dance performances and clothing. A fun night of sharing, understanding and belongs was had by all!

Cardinal Connection News

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Stay Informed with What's Happening

Stay up to date on what is happening in and around Costello. Read the current issue of the Cardinal Connection Parent Newsletter and share in all that our students have achieved and/or celebrated.

Read the Newsletter

Costello PTO

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Learn More About Your PTO

Learn more about how the Costello PTO supports the teachers and students by visiting our webpage.  With out combined efforts, we work to provide additional tools and experiences that help make our school a great place for our children to learn and grow.  

Costello PTO Page

2022 Bond Updates

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Bond Status & Updates

The Troy School District is grateful to our community for their support and passage of the 2022 Bond representing a $555 million dollar investment in our school district over the next ten years. Series 1 of the Bond including approximately $140 million dollars’ worth of work is underway. 

Learn More

Portrait of a Learner

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TSD Portrait of a Learner

The Portrait of a Learner design process engaged our educational system and the broader community - educators, students, elected officials, community members, families - to help build a unifying, collective vision for our students. The 6 C's that make up the TSD Portrait of a Learner seek to tie together the mission, vision, and core values of the district. 

Learn More

We are OneTroy

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OneTroy:  A Culture of Belonging

The goal of OneTroy is cultivate an environment of inclusion in our classrooms and schools, ensuring students feel needed and valued, seen and heard, accepted and embraced, while keeping high expectations for all. 

Learn More About Belonging  Belonging Video for Young Students

Where YOUR

Journey Leads

This is the moment when it all pays off. Your years here have helped you know who you are, what you want, and how far you want to go. But it’s not only about getting in; it’s about thriving where you are destined to be.

416

Number of Students

1972

Costello was Built in 1972

15

Student to Teacher Ratio is 15:1

A+

Overall School Grade for Diversity, Academics, and Teachers

2024

NICHE #2 Best School District in MI

75

Total Number of Staff

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Costello students climbing on the new outdoor playground equipment

 

Stories Worth Telling

This is our School and these are our stories.

Karl Schmidt

Board President

Kris Griffor

Assistant Superintendent for Elementary 

Dr. Tammy DiPonio

Principal, Costello Elementary