Enrollment in the Gainesville City School System has increased slightly over last year, according numbers provided to school board members at the board’s meeting Monday night. Gainesville Superintendent Jeremy Williams presented numbers showing an overall increase of 48 students on Sept. 14, compared to the same date a year ago. Most of the increase — 42 students — was at Gainesville High, where enrollment has topped the 2,100-student mark this year, going from 2,086 students last year to 2,128 high school students this fall.