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Frank J. Dugan Elementary School Home of the Dragons!

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Mrs. Koster's Homepage



Mrs. Koster's Class



This is my nineteenth year teaching in Marlboro! I am so lucky to be part of the Second Grade team.



Link to Mrs. Koster's Google Classroom

You can follow our class on twitter: Karen Koster @MrsKostersClass

Please feel free to contact me via email [email protected]