How many preschool and elementary school students are there in the us?

As of the 2021-2022 school year, there were approximately 4.9 million preschool students and around 35 million elementary school students (grades K-5) in the United States. These numbers can fluctuate annually due to changes in enrollment, population growth, and other factors. For the most current statistics, it's advisable to consult the National Center for Education Statistics or similar educational organizations.