Proficiency scales help delusional students face reality and unconfident students gain momentum. These can also serve as a tracker for skills in portfolios, set proficiency levels for targeted interventions, and help justify grades. Dr. Marzano has a lot more to say about it.- rigor, CRA model, differentiation, kinesthetic learners, tactile learners, ADHD, station, center, ELL, English Language Learners, ESL, English as a Second Language, visual learners, auditory learners, scaffolding, differe