Instruction or tutoring that is intended to help students who have fallen behind in their school work.

Remediation is additional help provided to struggling students. Schools may provide before school, after-school, Saturday school or summer school, using tutors, labs and special materials to provide assistance.

Extra instruction for students having difficulty learning.

Students who are not fully prepared for college academically are often required to complete remedial classes. The courses are designed to bring the student up to the level required for satisfactory college-level performances. Such courses are usually not granted credit towards graduation.

The provision of special instructional assistance to students who are having difficulty attaining an established level of proficiency.