An employer can require that an employee work 24 hours a day for 7 days per week under California Law. The restrictions are that the employer must give the employee a 10 minute rest break every four hours, and a 30 minute meal break every 5 hours. IWC Wage Order 7-2001. Also, the employer must provide at least one day of rest for each seven days worked, either as one day in each workweek, or as accumulated days off during calendar month (4 days off in a four week month; 5 days off in a 5 week month).
The employer is also required to pay overtime. Based upon your described circumstances, you are entitled to overtime for at least 1 1/2 hours per shift ($12 per hour).
However, none of the above, prevents the employer from creating work conditions that interfere with your education.
Hope this helps.
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