When was the mother's son assessed?

The examination of mother and son is in April. The career strategy of the son of the orange light game "My Mom is at Class" is that the imperial examination requires a literary talent of ≥600 to win the imperial examination in April next year, and after winning the imperial examination, he will randomly increase his reputation and influence every month. The producer of this orange light work "Mother on the Top" is Ji Zi, and it is made by "orange light making tool".