This document provides an overview of education systems from 7000 BC to 450 AD across various ancient civilizations. It describes the aims, types of education, content, agencies, organization, methods, financing, and contributions of education during these time periods. The education systems progressed from informal home/environment-based education focused on survival and traditions in 7000-5000 BC, to the establishment of more formal schooling focused on vocational training, writing, and mathematics in 5000-4000 BC. Organization of grades and financing of education varied widely over time and location.