The Board of Education this evening [Thursday, July 25] approved the following principal and administrative appointments:

* Dr. Joey N. Jones, currently assistant principal at Rockville High School, as principal of Robert Frost Middle School.

* William E. Ball, currently a technology education teacher, Ann Arbor Public Schools in Michigan, as curriculum coordinator, Career Academies: Engineering, Media, and Natural Resources, Office of Instruction and Program Development.

* Dr. Michael P. Cohen, currently director of school performance, Office of School Performance, as director of Enriched and Innovative Programs, Office of Instruction and Program Development.