ERIC J. SHELTON\THE NATCHEZ DEMOCRAT — Tiandre Watts, left, Kemaury Pinckney, center, and Tyler Steed work together to solve an algebraic equation Tuesday afternoon in Natchez High’s cafeteria during an after school review session in preparation for state Subject Area Tests, which start today and end Tuesday. Public schools across the state of Mississippi are preparing for the mandatory state test, in which students must pass the English II, Algebra I, U.S. History and Biology I exams.