14 CFR § 65.67
Aircraft dispatcher certification courses: Personnel
July 13, 2020
(a) Each applicant for an aircraft dispatcher certification course must meet the following personnel requirements:
(1) Each applicant must have adequate personnel, including one instructor who holds an aircraft dispatcher certificate and is available to coordinate all training course instruction.
(2) Each applicant must not exceed a ratio of 25 students for one instructor.
(b) The instructor who teaches the practical dispatch applications area of the appendix A course must hold an aircraft dispatchers certificate