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Defino Central Elementary School Home of the Dolphins!

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Welcome to Kindergarten


Welcome to

Ms. Costello's Class Family!


Ms. Costello's YOU TUBE channel


Contact Information

[email protected]

Twitter: @ccostello0726


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About Ms. Costello


I have been teaching children for 24 years and every year gets better. This is my 20th year in Marlboro. 


After graduating high school, I went to Rutgers University and received my degree in Journalism and Mass Media because I love to read and write.  After college, I earned my Master's Degree in Elementary Education. I taught in Catholic School, Newark, and Basking Ridge before settling in Marlboro.  


I live in Barnegat, which is next to LBI. I love spending my free time on the beaches on LBI during the summer. Some of my hobbies are reading, drawing, writing, bike riding and exercising.

At home I have two wonderful children. My son, Anthony, loves to play football and baseball. He is 16 years old and a junior in high school this year.

My daughter, Bella, who is 13 years old, loves to play soccer, basketball and create things. She is in seventh grade this year. Bella is a lot of fun to be around and always keeps me entertained. 


On December 28, 2019 we adopted the very best pup, Lola Belle. She is a rescue from Louisiana and she completed our family....we thought! On August 21, 2021 we adopted a second puppy from Louisiana. Her name is Roxy! They are spunky and love to play.






Ms. Christine Costello
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