• logo TEACHER: Katalin C. Posch, Ph.D.
    PHONE: 716-407-9020
    EMAIL: kposch@clarenceschools.org

    About the Teacher:  I have been a teaching Chemistry since 2009.
     I use Schoology in my classroom! Please click here to log in.
    AP Chemistry:
    If you would like to down load a Summer work packet AP Chemistry 2017-2018 Summer Work Packet