• fhs
    Ms. O'Brien
    Department: Math
    Teacher Biography 
    This is Ms. O'Brien's sixth year at Freedom High School. She graduated from James Madison University with a B.S. in Mathematics and M.A. in Teaching. In the 2020-2021 school year Ms. O'Brien will be teaching Precalculus and AP Calculus AB.
    Office Hours
    Please email Ms. O'Brien at katie.obrien@lcps.org with any questions you may have. 
    1: AP Calc AB
    5: Precalculus
    2: AP Calc AB
    6: Planning
    3: AP Calc AB
    7: Precalculus
    4: Planning
    8: Planning
    Online Presence
    Please visit our Schoology for updates on assignments and class materials.
    Current Grades 
    To view current grade information please log-in to ParentVue.
    Contact Information
    Freedom High School | 25450 Riding Center Drive | South Riding, VA
    P: (703)957-4300 | F:(703)542-2086