This report draws upon quantitative and qualitative data collected from NBSS Behaviour for Learning programme teachers in 48 partner schools who provided NBSS Level 3 support to 920 students during the academic year 2011/2012. This report is part of the on-going research of Level 3 provision to NBSS partner schools. See also ‘NBSS Level 3 Support: The Students’ Voice’ report and ‘NBSS Level 3 Support: The Principals’ Viewpoint’ report.