There are a lot of key findings in the full report 

It is important to see that the positive impact of feedback is only linked to Maths teaching in this instance.

The focus schools’ students gained an additional four weeks learning over a year’s work.

Teachers and principals in focus schools received:

• more frequent feedback than teachers and principals in control schools.
• more feedback sessions on their classroom practice with ratings and a written narrative justification

Teacher focus: class teaching skills

Principal focus: leadership skills, specifically Instructional Leadership and leader-teacher trust

The classroom observations were generally by video.

Focus group principals received more instances of oral feedback with ratings on their leadership than control principals.

Unsurprisingly, the study’s measures provided information to identify educators who needed support.

It is worth considering these main points in relation to the ‘reflective practitioner’ and knowing how much impact you have.