Del Mar College’s Northwest Center may be suffering from growing pains, Regents heard at the Sept. 8 board meeting. The Northwest Center has seen a nearly 300 percent increase in enrollment from 2010 to 2015, Leonard Rivera, director of off-campus programs, told Regents at the meeting. The center now offers GED, continuing education and dual credit classes. “The Northwest Center is a dynamic center,” Rivera said. “The center has seven classrooms and five offices, but enrollment has increased so much that we are looking for more space.” The college, which has been renting space from a neighboring hospital, hopes for…