Manteca Unified School District expects student enrollment to grow by 5.6 percent over the next five years according to long-term modeling. But if every single home and apartment unit that has been approved or planned for were built out immediately, it would add 26,567 students to the district’s enrollment – an increase of 111.1 percent. The district current has 23,500 studentsWelcome to Manteca Unified’s long-term challenge.