Sea Lion Swim School has celebrated its one-year anniversary.

The swim school, 6158 Sienna Ranch Road, Ste. 503, Missouri City, celebrated one year in business in October. The school offers an all-season indoor heated pool equipped with a filtration system that controls pH and chemical balances, according to its website. Additionally, the school offers private, semi-private and group classes for swimmers ages 6 months and older. 281-969-5445.