In an unexpected action, Los Angeles school officials Tuesday voted against renewing the operating agreements of two charter schools involved in a cheating scandal last year, reports the Los Angeles Times. The decision could lead to a shutdown of all six schools run by the Crescendo organization. The vote by the Los Angeles Board of Education was based on the revelation at Tuesday’s meeting that a principal implicated in the cheating scandal had been hired by the outside organization brought in to manage the Crescendo schools…