The school population for a certain school is predicted to increase by 40 students per year for the next 13 years. If the current enrollment is 600 students, what will be the enrollment after 13 years?

1. Identify the initial current enrollment:
600

2. Identify the annual increase:
40

3. Identify the number of years:
13

4. Calculate the total increase over 13 years:
40 \times 13 = 520

5. Add the total increase to the initial enrollment:
600 + 520 = 1120

Answer:
1120