The development and implementation of a Professional Development School (PDS)--sponsored summer program for at-risk secondary students is described. Literature related to PDSs and summer programs is followed by a presentation of data findings and analysis. Attendance and grade point average data gathered on the 17 participating rising ninth graders indicate that the described summer program had a positive student impact. Benefits for the university and school constituents as well as implications for future practice and research are described. (Contains 3 tables.)