The Wake County school system has grown by more than 3,600 students so far this school year.
School officials reported they had 143,235 students on Wednesday, up 3,636 students from last year's official enrollment. Wake could move up a spot this year to overtake the Montgomery County school system in Maryland to become the 17th-largest school district in the nation.
School officials are using Wednesday's total, which marks the 10th-day of classes, to decide whether to transfer teachers. Schools get teachers based on their enrollment.
This year's official enrollment will be determined later this month based on how many students are attending the 20th-day of classes, Wake is on place to pick up the overall projected growth of 3,800 new students.