He dropped out of high school to be a caregiver for his father, character actor
Walter Olkewicz during his illnesses. He studied for the GED test and scored a perfect 4,000 on the test.he was one of only six people nationwide that year to perform flawlessly on the 7 1/2-hour test of reading, writing, math, science and social studies.. Zak was honored at a ceremony and received a three minute standing ovation.