Tulalip is a group of Native American peoples from western Washington state in the Unite States. The Tulalip people settled onto reservation lands after signing the Point Elliott Treaty with the former Washington Territory on January 22, 1855. The reservation is the western half of the Marysville Tulalip community. Marysville is an incorporated city and lies east of Interstate 5. Tulalip is a reservation and it lies west of Interstate 5. The Marysville School District serves both the reservation and the city.