When she entered her guidance counselor’s office earlier this year, it was not a big revelation. Bibi Sulaman, a senior at Jamaica Gateway to the Sciences High School, had met with her counselor to verify her credits and classes before graduating this June. Casually, her counselor revealed that she was valedictorian of her class of around 150 students. “It wasn’t a surprise,” said Bibi. “[Being valedictorian] wasn’t my goal. I just tried to do my…