Carl Anderson was a three-year varsity letter winner for Head Coach Kirk Fredericks at Lincoln Sudbury High School. He helped lead his team to a combined 66-9 record over three years and a state championship as a senior. Anderson hit a school record 10 home runs as a junior, earning Dual County League (DCL) Player of the Year honors. The team won the league championship in each of his three seasons. Anderson also competed in junior varsity soccer and basketball.