Homeschooling is quite young. Even during the 80s, homeschooling was illegal. It is only in the early 90s that homeschooling got a go-ahead from the law. If you're wondering about the number of students homeschooled, you may get surprised. According to the U.S. Department of Education, 3.3% of school-aged kids learn at home schools. If you calculate the number, it comes to around 2 million. huge, right!