2023 Washington Code 28A.410.278 – Residency principal certificates — Principal preparation program requirements

2022 Washington Code 28A.410.278 – Residency principal certificates–Principal preparation program requirements

2020 Washington Code 28A.410.278 – Residency principal certificates — Principal preparation program requirements

2019 Washington Code 28A.410.278 – Residency principal certificates — Principal preparation program requirements

2018 Washington Code 28A.410.278 – Teacher evaluation research and evaluation requirements — Requirements for residency principal certificates, teacher preparation programs, and in-service training or continuing education

2016 Washington Code 28A.410.278 – Teacher evaluation research and evaluation requirements–Requirements for residency principal certificates, teacher preparation programs, and in-service training or continuing education

2015 Washington Code 28A.410.278 – Teacher evaluation research and evaluation requirements–Requirements for residency principal certificates, teacher preparation programs, and in-service training or continuing education

2014 Washington Code 28A.410.278 – Teacher evaluation research and evaluation requirements — Requirements for residency principal certificates, teacher preparation programs, and in-service training or continuing education

2013 Washington Code 28A.410.278 – Teacher evaluation research and evaluation requirements — Requirements for residency principal certificates, teacher preparation programs, and in-service training or continuing education