Online school glossary

CAC — student acquisition cost. LTV — lifetime revenue per student. Completion rate — % finishing the course. Refund rate — % of refunds.

LMS — course platform (Moodle, Teachable). SCORM — content packaging standard. Cohort — student batch with a start date. Drip — gradual lesson unlocking.

Synchronous — live sessions (webinar, Zoom). Asynchronous — recordings at own pace. Module — a logical course block. Speaker/instructional designer — who teaches vs who builds the program.

Lead → webinar → sale → onboarding → completion → repeat purchase. Tripwire — a cheap entry product before the main course.

Producer — the business side. Instructional designer — program and outcomes. Curator — student support. Tech support — access and platform.

NPS — willingness to recommend. Churn — student attrition. CSAT — session satisfaction. Course ROI — (revenue − costs)/costs.