Tualatin Valley Academy (TVA) is a preschool-through-tenth-grade private school in Hillsboro, Oregon, United States. Founded in 1916 as Tualatin Valley Junior Academy, the school is affiliated with the Seventh-day Adventist Church. TVA was affiliated with the Ring of Fire handbell choir from its inception in 1997 until 2004. It is a part of the Seventh-day Adventist education system, the world's second-largest Christian school system.