One-on-one pupil is a job description for a TUTEE, which is someone who receives one-on-one instruction from a tutor. This type of instruction is often used to help students who are struggling with a particular subject or need extra help in order to reach their academic goals. The TUTEE is usually an individual student, but can also be a group of students. The tutor provides the TUTEE with personalized instruction and guidance in order to help them understand the material and achieve their goals.