Dr. Inyangala has a Bachelor of Arts degree in Economics and Geography and Masters in Planning and Economics for Education. She got her doctorate at the age of 33 and has served in several universities including Moi University, Masinde Muliro University of Science and Technology and Mombasa Technical Training Institute. Dr. Inyangala also served at the Commission for University Education as planning officer in charge of research.
She also participated in developing a medium plan for education and planning policy for accelerated university intake when President William Ruto was the Education CS.