Keene Adventist Elementary School (KAES) is a Seventh-day Adventist co-educational PK-8 elementary school located in Keene, Texas. The school is operated by the Texas Conference of Seventh-day Adventists and the Keene Seventh-day Adventist Church to make available Christian education.It is a part of the Seventh-day Adventist education system, the world's second largest Christian school system.