Complex sentence: She received her Master's Degree in Clinical Psychology from Pepperdine University in Malibu, California at the age of 19 years old, the youngest recipient to receive this degree from this University.
Split into simpler sentences: She received her Master's degree in Clinical Psychology from Pepperdine University in Malibu, California at the age of 19 years old. She was the youngest recipient to receive this degree, from this University.