Instead of saying "improving," mention the specific skill, like "using past tense verbs correctly."
Professional resources from TeacherVision and Twinkl provide specific templates for different learner stages: Key Focus Areas Sample Comment sample esl report card comments verified
"Is a supportive classmate who often helps peers during group activities". TeacherVision Pro-Tip: The "Sandwich" Method Instead of saying "improving," mention the specific skill,
"(Name) is a diligent student who takes pride in their work and consistently completes assignments on time". Instead of saying "improving
"(Name) can grasp the general idea of listening exercises but occasionally struggles to understand specific new words from context".