The 1st District Appellate Court last week upheld a state commission’s findings that a Waukegan-based charter school was in the best interests of the students there.The appellate panel’s 51-page ruling is a defeat for Waukegan Community Unit School District 60, which had contended that the Illinois State Charter School Commission’s decision to certify a LEARN charter school in its boundaries was rife with errors.For instance, the district argued that because the commissioners never actually discussed …