Transparency supports the ability of teachers to engage in passive surveillance to facilitate multiple learning activities simultaneously and to supervise students. For example, some learners can be inside an enclosed space while others are in an adjacent learning commons. From a safety standpoint, clear interior sight lines at open interior spaces help staff see trouble coming sooner than later, giving users more time to take action doing what they have learned to do in practice drills in the event of an emergency. This is the same safety principle as having clear exterior sight lines when supervising students outdoors. 

Another opportunity for passive surveillance from Grades 1-5 is at restrooms for boys and girls or for boys in all grades. Bullying typically occurs in the bathrooms where adult supervision is not present. Sinks adjacent to circulation for passive adult supervision work well.  For middle school and high school consider sinks inside the toilet stalls for girls bathrooms.