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About Costello
Costello Elementary Calendar
Costello Staff Directory
Attendance Line & Map
Absence & Tardy Guidelines
Student/Parent Handbook
Costello Pep Song
News & Announcements
Spotlight Student/Staff Member of the Month
Mission Statement
Principal's Message
Students
Media Center
Destiny Library Catalog
(opens in new window/tab)
Student Council
School Supply Lists
Learning Links
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Public Safety Drills
Costello PTO
Staff
Frontline Guides
Frontline (Personal User Login)
(opens in new window/tab)
Frontline (SSO User Login)
(opens in new window/tab)
Headspace App
(opens in new window/tab)
Help Desk
(opens in new window/tab)
How to use Absence Manager - Frontline
My TSD Page
(opens in new window/tab)
Staff Directory
(opens in new window/tab)
Staff Intranet
(opens in new window/tab)
TSD Apparel Store
(opens in new window/tab)
Webmaster Login
Parents
iPad Insurance Info
(opens in new window/tab)
Literacy Project
(opens in new window/tab)
Lunch Menu
(opens in new window/tab)
PowerSchool (Account Information)
(opens in new window/tab)
Schoology (Account Information)
(opens in new window/tab)
TSD District-Wide Calendar
(opens in new window/tab)
Program/Club Flyers
(opens in new window/tab)
Volunteer Background Form
(opens in new window/tab)
Schools
Troy
School District
Pre-School & Early Childhood
Troy Preschool
Elementary Schools
Barnard Elementary
Bemis Elementary
Costello Elementary
Hamilton Elementary
Hill Elementary
Leonard Elementary
Martell Elementary
Morse Elementary
Schroeder Elementary
Troy Union Elementary
Wass Elementary
Wattles Elementary
Middle Schools
Baker Middle School
Boulan Park Middle School
Larson Middle School
Smith Middle School
Non-Traditional
Troy Center for Transition
Troy Intersect Virtual School
Troy College & Career High School
High Schools
Athens High School
Troy High School
International Academy
Troy College & Career High School
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Costello Elementary
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