How old you have to be sign yourself out of school?

There is no federal law in the United States that sets a minimum age for students to sign themselves out of school. Instead, each state sets its own age requirement, which can range from 16 to 18 years old. In some cases, students may be allowed to sign themselves out with parental permission, even if they are under the minimum age. It is important to check with the school district or state law for specific regulations and procedures.