A class action by Boies Schiller Flexner and Towards Justice claiming au pairs are underpaid has cleared another major hurdle. On Friday, U.S. District Judge Christine Arguello in Colorado certified two classes and multiple subclasses of more than 91,000 J-1 Visa au pairs.

Claiming antitrust, RICO and wage law violations, the suit alleges au pair wages were set by the sponsoring organizations at $195.75 per week “as part of an illegal agreement to suppress wages and accordingly inflate their own fees.” For families with au pairs, that works out to 45 hours a week of childcare for $4.35 an hour.