In your coaching portal, consult how students are categorized for each practiced skill. Then, consider grouping students based on skill level to help differentiate instruction. Additionally, consult the ranked list of skills for all linked students. This will help you identify trends in the class as a whole and areas that require additional instruction. Consider a deeper than normal focus on standards linked to high impact SAT skills.
As a teacher, you'll get to hear directly from students more than anyone else about how they feel about this program and common problems that occur in implementation. Contribute to a school-wide reflection through conversations during professional learning time within departments or as a whole staff community about successes with usage or ideas to help enhance school-wide usage.
Showing students this video can help them hone in on why practicing is important, especially as they'll get to hear from their peers about Khan Academy helped them.