2023 Washington Code 28A.657.020 – Persistently lowest-achieving schools — Challenged schools — Identification — Criteria — Washington achievement index

2022 Washington Code 28A.657.020 – Persistently lowest-achieving schools–Challenged schools–Identification–Criteria–Washington achievement index

2020 Washington Code 28A.657.020 – Persistently lowest-achieving schools — Challenged schools — Identification — Criteria — Washington achievement index

2019 Washington Code 28A.657.020 – Persistently lowest-achieving schools — Challenged schools — Identification — Criteria — Washington achievement index

2018 Washington Code 28A.657.020 – Persistently lowest-achieving schools — Challenged schools — Identification — Criteria — Washington achievement index

2016 Washington Code 28A.657.020 – Persistently lowest-achieving schools–Challenged schools–Identification–Criteria–Washington achievement index

2015 Washington Code 28A.657.020 – Persistently lowest-achieving schools–Challenged schools–Identification–Criteria–Washington achievement index

2014 Washington Code 28A.657.020 – Persistently lowest-achieving schools — Challenged schools — Identification — Criteria — Washington achievement index

2013 Washington Code 28A.657.020 – Persistently lowest-achieving schools — Challenged schools — Identification — Criteria — Washington achievement index