schoolmate
🇺🇸
/ˈskuːlmeɪt/
🇬🇧
/ˈskuːlmeɪt/
someone who goes to the same school as you
My schoolmate and I work on our science project together.
私と私の学校の友達は、私たちの科学プロジェクトに一緒に取り組んでいます。