In January 2006, California increased driving restrictions for persons under the age of 18 who hold a provisional driver license. These regulations pertain to any provisional license issued on or after January 1, 2006 and any provisional license issued during 2005. Teen drivers with a provisional license are prohibited from transporting passengers under the age of 20 for the first 12 months and the teen driver is prohibited from driving between 11 p.m. and 5 a.m. during the first 12 months as well.
There are other restrictions and some exceptions that are described further on the State of California Department of Motor Vehicles website.
One noted exception is for immediate family members to be transported to and from school in certain situations by the provisional driver. If there is a legitimate need and the provisional driver has in their possession, a note from their parents, a sibling may be transported to and from school. There is no exception for friends, carpools or extracurricular activity. Under certain conditions, school activities may be exempt with documentation from the school.