Improved retention rates will offset cost of 35-hour CPD target

The additional cost of embedding 35 hours of high-quality CPD a year for all teachers would most likely be offset by improved retention rates, researchers have concluded.

A study from Pro Bono Economics (PBE, 2022) and commissioned by charity the PTI estimates that as many as 12,000 teachers a year could be prevented from quitting.

What is more, investing in high-quality CPD would be more cost-effective than trying to recruit and train the additional teachers needed to replace those who leave.

It costs around £25,000 to train a new teacher whereas an additional day of high-quality CPD costs up to £450, the report estimates.

It is not the first time the 12,000 figure has been mooted. Last year, a cost-benefits analysis commissioned by Wellcome found that high-quality CPD for mainstream teachers has an average effect on pupils’ attainment of one month of extra learning across the year in which the CPD is undertaken (Van den Brande & Zuccollo, 2021). It also tentatively suggested that 12,000 teachers a year could be retained under this approach.

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