Cibola High School senior Zach Pearson peers through a peephole to a blocked-off hallway at the school while giving his younger sister, Samantha, a tour on registration night. As the Albuquerque Public Schools struggled to keep up with growth in recent years, Zach's family saw it all: an elementary school that wasn't built in time, crowding at Cibola and, in recent years, schools catching up with the population.