Abstract: A high chair apparatus includes a chair that includes a pair of arm rails. A tray has an inner edge and an outer edge. Couples attached to the tray are adapted for removably coupling the tray to the arm rails. A plate has a same size and shape as the tray. A transparent plate has a rear edge, a front edge, a first lateral edge and a second lateral edge. The rear edge may be aligned with the outer edge of the tray. A lip is attached to and extends along the rear edge, the first lateral edge and the second lateral edge. A lower portion of the lip extending below the plate has an elongated notch therein. Each of a plurality of panels has learning indicia thereon that is selected from the group including shapes, letters and numerals. Each of the panels is selectively extendable in the notch.