Principals in Harlem are using firms to help lure students with Web sites, brochures and open houses.

Principals in Harlem are using firms to help lure students with Web sites, brochures and open houses.

A campaign has led to the firing for incompetence of only three of New York City’s 55,000 tenured teachers.

In its first two years, a stepped-up campaign has led to the firing of only three of New York City’s 55,000 tenured teachers for incompetence.

On the agenda for the Panel for Educational Policy: The Bloomberg administration’s plan to close 19 schools for poor performance.

Charter schools, a third-term priority of Mayor Michael R. Bloomberg, are squeezing the city’s public schools for space, and more are on their way.

Suzanne Tecza had spent a year redesigning the library at Middle School 126 in Williamsburg, Brooklyn, including colorful new furniture and elaborate murals of leafy trees. So when her principal decided this year to give the space to the charter high schools that share the building, Ms. Tecza was furious.

Mayor Michael R. Bloomberg is aggressively promoting charter schools, which share buildings, but not resources, with public schools.

Observers of the negotiations do not expect to see any agreement before Election Day, and few expect radical changes in how instructors are employed and paid.

The Bloomberg administration’s much-contested policy on student promotion has received a boost from an independent study.