Nothing wrong with playing a simul only with your students, but you should warn other players of it, describing the Simultaneous Match as a Private Class.
We've waited around 10 minutes with 20 people applying for it, to know later that it was just a Simultaneous match between the Fide Master and 2 other students.
We've waited around 10 minutes with 20 people applying for it, to know later that it was just a Simultaneous match between the Fide Master and 2 other students.