Keep It Simple
I use this simple form for every intervention group I have. Sometimes I give a pretest. Sometimes they took a test in their homeroom class that becomes their pretest score. Ultimately, this form helps me and the homeroom teacher know whether this intervention group was effective. I meet with the grade level team to share and check in about future interventions. Sometimes, looking at this simple data leads to discussions about how to support particular students. You can download the free basic PowerPoint here and adapt it to meet your needs.