Clearly, Students ought not to enter the Teachers’ Lounge.
The teacher who needs children to check in with her can have them leave a message for her in the office or she can administer them doing their discipline. The children ought not to be coming in the lounge it interferes with teacher ‘down time’ and it’s humiliating for the students.
Keeping that in mind, don’t send your students to the Teachers’ Lounge in any way, shape or form, including flame, surge, or a squeezing requirement for a female cleanliness item.