Gadsden Independent School District (GISD) in Yuma County, New Mexico (NM) purchased the Critical Concepts Proficiency Scales for K-12 math, ELA, science, and social studies from Marzano Resources in 2021. During 2022 and 2023, Marzano Resources provided training to district administrators, specialists, coaches, and teachers on a variety of topics, including the implementation and use of proficiency scales such as the Critical Concepts. Gadsden ISD is aiming to fully implement the use of proficiency scales in 22 schools during the 2024-2025 school year. The purpose of the evaluation is to assess the fidelity of implementation and relationship between implementation of proficiency scales and subsequent student outcomes.