Teachers at New Foundations Charter High School in Philadelphia's Holmesburg section have voted to be represented by the Alliance of Charter School Employees.

A vote count Friday at the regional offices of the National Labor Relations Board in Center City showed that 73 percent of the teachers and professional staff  who cast ballots said they wanted to be represented by the union.

New Foundations Charter High School, which opened in 2010, is the fifth charter school in Philadelphia where teachers and professional staff are represented by the alliance, which is an affiliate of AFT Pennsylvania.

— Martha Woodall