If children wish to study in the U.S., they must hold the proper visa. There is no provision for study at a public elementary school (grades 1-8) for young children with a nonimmigrant student (F1) visa. Study at a public secondary school (grades 9-12) with an F1 visa is limited to one year, and full reimbursement for the total cost of the education must be confirmed ahead of time. Enrolling a child in public school while in visitor (B1/B2) status can result in the child's visa revocation and permanent visa ineligibility for the child's parents.
However, you can try investment immigration