individual instruction; one-on-one teaching; tutoring
Refers to personalized teaching, often in academic or skill-learning contexts, where a teacher works with a single student or a very small group.
This cram school offers one-on-one instruction.
I decided to get individual tutoring in math.
家庭教師 is a private tutor who comes to the student's home, while 個別指導 is the instructional format itself, which can happen in various settings.
集団指導 is group instruction, the opposite of 個別指導.
Compound of 個別 (individual, separate) and 指導 (guidance, instruction).