"On admission, all medication dosages were tapered during a 1- to 4-week period. This was followed by a medication-free period of up to 3 weeks (mean, 2.7 weeks; SD, 1.2 weeks), as tolerated by the patient. " here

Treatment of Early-onset Schizophrenia

Anand K. Mattai, Julia L. Hill, Rhoshel K. Lenroot
Curr Opin Psychiatry. 2010;23(4):304-310. 

"Recent findings Several recent trials support the use of antipsychotics for treatment of schizophrenia in children and adolescents. Clozapine shows greater efficacy in children and adolescents than it has in adults. A large-scale trial comparing a first-generation antipsychotic (molindone) with newer agents did not find significant differences in treatment response, although the newer antipsychotics were associated with more severe weight gain. Data regarding effects of antipsychotics on brain development in children and young adolescents with schizophrenia are sparse, although one report found no difference between effects of clozapine and olanzapine on cortical thickness." here