Although research shows that BTR graduates are initially not more effective at raising
student test scores than other new teachers, the effectiveness of BTR graduates
improves rapidly over time, and by their fourth and fifth years in the classroom, BTR graduates outperform other veteran teachers.70 Further, principals are very satisfied with the performance of former residents in their building: A recent survey conducted by BTR found that 97 percent of principals who employ teachers who are alumni of BTR «would recommend hiring a BTR graduate to a colleague.»