: Research indicates that schools with totally flexible schedules often see significantly higher per-pupil book circulation. Best Practices for Implementation

: Many experts suggest building strong collaborative relationships with teachers while still on a fixed schedule. Once teachers see the value of the librarian as a co-teacher, they are more likely to support a flexible schedule.

: Some librarians find that a lack of scheduled checkout times makes it harder to connect with every student. Many successful programs maintain a "fixed-flex" hybrid where book checkout remains somewhat regular while instruction is flexible.