ASTEC is hiring the following positions in the Elementary School for the 2024-25 school year. Teaching Positions Available. Elementary Dean of Students. Pre-K Teachers. Pre-K Assistant Teacher. Kindergarten. 1st Grade. 2nd Grade. 3rd Grade. 4th Grade. Health/Wellness. Counselor Assistant. SPED Co-Teacher. Unlock Your Potential at ASTEC Charter Schools. About ASTEC Charter Schools. Join our thriving public school district in the heart of Oklahoma ...