Answer:
there are 37,858 more elementary school students.
Step-by-step explanation:
when you add 21,611 and 16,247 together, you get 37,858 in total. you can tell this is the answer because the question states 21,611 more elementary students enrolled, and with some context clues you can figure out addition is the proper way to find your answer. I hope this helps, good luck with addition!
