Teachers can do mandatory bi-annual training/ professional development. This can be in the area of classroom management or in areas of studies. By doing this teachers will be abreast of changes and strategies in the teaching and learning. Also regional teacher exchange can also be done to facilitate teacher development
I like the idea of a regional teacher exchange programme. Funding may be a hurdle but this would indeed benefit teachers from different contexts. Mandatory bi-annual training is a bit challenging unless it is an iniative of the school or Ministry of Education who would source and pay for the training. There are many free online programmes to which teachers can subscribe that enhance professional development as well.
I agree with you Kimberly the bi-annual might not necessarily work when I further looked at it. Several online courses are available for teachers to take part in. Some of free and very useful in the classroom.