Devhaus Corporation operates 20 early child education centers across 5 countries including Canada, USA, Singapore, Cambodia and Philippines. To further implement its principle of Observation to Education, Devhaus is partnering with York University research team to develop an Artificial Intelligence Recommender System to help teachers across the world select optimal lesson plans for each kid based on the learner's behaviors. The interns will analyze the set of existing lessons, historical recommendations, and experts' opinions to better understand the temporal and logical dependence of the lessons; and more importantly, the interns will customize the state-of-art recommendation algorithms for this business problem. Devhaus shall get a powerful AI tool to implement its successful Observation to Education practice and principle in its learning centers in different countries and cultures.