In a locally unprecedented move, the School District of Philadelphia will hold principals accountable for the number of students eating breakfast in their schools. Breakfast participation will be part of the report card that rates principals each year, along with categories such as attendance and math and reading performance. All 165,000 students in Philadelphia public schools, regardless of income, are eligible for free breakfasts. But just 54,000 ate breakfast last year, district figures show. Reade more…