Teachers in Hempstead Union Free School District participate in professional development workshops to learn hands-on activities. Science 21 is an integrated program designed by teachers for teachers. It achieves a balance between process and content and provides tools to bring science that inspires student learning to the classroom. The major emphasis is on investigations that are student directed and relevant to students' everyday lives. The Science 21 program provides students with a strong foundation for the more rigorous science curricula at the secondary level.