持续专业发展

CPD, 全称 Continuing Professional Development

teacher professional development (also known variously as teacher training, inset, CPD or professional learning) 

https://www.theguardian.com/teacher-network/teacher-blog/2012/mar/26/teacher-training-development 

如教师专业发展，也被叫做教师培训、CPD、专业学习。