Service Type defines the delivery model of the Swimming Teaching Service market. The primary sub‑types are private lessons, group classes, institutional school programs, and therapeutic or rehabilitation sessions. Private lessons, typically priced at a premium, attract high‑income households seeking individualized instruction and account for roughly one‑third of total revenues. Group classes, organized by age or skill, generate volume‑driven growth and represent the largest share of participants, especially in community‑center settings. Institutional school programs are funded through educational budgets and provide a stable, contract‑based revenue stream, while therapeutic sessions, delivered by certified aquatic therapists, address niche health‑care demand and contribute a modest but high‑margin segment. Together, these service types shape the market’s overall size by balancing price points, utilization rates, and client acquisition channels, forming a core component of Swimming Teaching Service segmentation analysis.