• Who is Mr. Costa?

    Mr. Costa started teaching at Pomona Middle School in September 2017. Since that time, he has taught a wide variety of courses. These courses include Algebra I Common Core, Math 8, and Math 7 Honors. Mr. Costa has also taught a wide variety of students such as honors level, special education students, and English as a New Language students. Mr. Costa is certified to teach Math Grades 7-12 and also has a Special Education Certification.

    Other interesting facts about Mr. Costa are:

    • He plays piano as a hobby
    • He loves to sing
    • He loves cats and has three of them
    • He has been wanting to be a teacher since he was in kindergarten

    Contact Information

    Email: acosta@ercsd.org
    Phone: (845) 577-6200 ext. 2226

    Degree Information

    • B.S. Secondary Mathematics Education
    • M.S.Ed. Special Education
    • M.S.Ed. Educational Leadership

    Certification Information

    • Mathematics Grades 7-12
    • Special Education Generalist Grades 7-12