Assembly Bill 540 (AB540) is a law that was passed in 2001 that allows undocumented students who meet certain requirements to pay resident instead of non-resident tuition fees in California public colleges and universities. For additional information visit: http://www.csac.ca.gov/pubs/forms/grnt_frm/AB540Law.pdf
The California Dream Act refers to Assembly Bill 130 & 131 that passed through California legislature in 2011. AB 130 & 131 enabled eligible undocumented students to receive state funded financial aid and privately funded scholarships. The California Dream Act has nothing to do with immigration or pathway to citizenship. It is only for the purposes of receiving state financial aid.
Deferred Action for Childhood Arrivals (DACA) is an executive order by President Obama which granted eligible undocumented youth a 2-year renewable temporary relief from deportation, a social security number for work authorization & driver license/identification. DACA does not currently provide a long term pathway to citizenship.
The Federal Development, Relief, And Education for Alien Minors (DREAM) Act. The goal of the Federal DREAM Act was to create a pathway to citizenship for undocumented youth who grew up in the United States. It was first introduced in Congress in 2001. However, to this day, the Federal Dream Act has not yet passed.
Senate Bill 150 passed 2013, where concurrently enrolled students (high school students enrolled in college classes) who are classified as non-resident students for fee/tuition purposes may be eligible for the SB150 waiver of non-resident fees while still in high school. Students must be part-time (enrolled in 11 units or less) who currently reside in California and are attending high school in California.
Senate Bill 1159: California to Grant Professional Licenses for Undocumented Young People (Accept ITINs) passed 2014, which allows undocumented students, to apply for a driver license and have an identification.