What is the test for establishing a wardship proceeding?

Appellants stress the claim that the wardship proceeding here instituted was not contemplated by the statute and is authorized only where there is a lack of parental supervision or where such supervision tends to lead the minor toward a life of crime, and accordingly the court had no jurisdiction to institute or maintain such proceedings under the facts related. Citing People v. Renteria, 60 Cal.App.2d 463, 141 P.2d 37. It is also argued that there is not shown any misbehavior on the part of the children or any need for supervision by juvenile authorities because they obeyed their parents who frankly stated that '* * * the entire responsibility of failing to enter their children in public school rests with them.' We see no merit in this argument.