• Wednesday, February 20 - Code Yellow - Schools and offices are closed. EMERGENCY PERSONNEL only must report to work.

    Miércoles, el 20 de febrero - Código Amarillo – Todas las escuelas permanecen cerradas. Todas las oficinas permanecen cerradas. Solamente el PERSONAL DE EMERGENCIA debe reportarse al trabajo.

  • Registration Information

     Third Quarter Registration and Fourth Quarter are now open. Register today!

    Quarter 3 Online Registration
    Quarter 3 Program Descriptions 

    Quarter 4 Online Registration
    Quarter 4 Program Descriptions

    HBOSC is exempt from PGCPS ADMIN PROCEDURE 6153 for field trip requirements

  • Professional Development

    Check here for great  professional learning opportunities for PGCPS teachers.

    To attend any of these PLO events, unless otherwise stated, 

    • you must be a current PGCPS teacher
    • you must register in MyPPS

    Challenger: Growing Beyond Earth
    Limited to first 30 participants!
    To find out more or register in MyPPS use the Course Code #11153 or Section #12750
    Session begins on Sat. March 2
    8:00 AM- 3:30 PM

  • Contact Us

  • 9601 Greenbelt Road
    Lanham, MD 20706 

     Tel: 301.918.8750
    Fax: 301.918.8753  

    Program Administrator
    Traketa Wray


    Follow us on twitter 


  • HBOSC Celebrates 40 Years

  • Challenger


  • Upcoming Events

    • Planetarium Shows
      Are offered throughout the year. They usually occur on the 2nd Friday of each month. Cost is $5 for adults; $3 for teachers/seniors/students and children under 3 are free.
  • Memory Lane: 40 YEARS


    Join us throughout 2018-19 as we reflect back together on HBOSC's 40 years of service to the community.

    Our first segment is entitled "What we love about the planetarium".