Used by the classroom-based command lists to indicate that or check whether a teacher has arrived at the classroom door to start the lesson.

Bit(s)	Meaning if set
0	Teacher has arrived at the top-floor classroom in the girls' skool
1	Teacher has arrived at the middle-floor classroom in the girls' skool
2	Teacher has arrived at the Blue Room
3	Teacher has arrived at the Yellow Room
4	Teacher has arrived at the Science Lab
5-7	Unused