“For a while, there was going to be this massive fire in the school at the end of the season, and the mystery in flash-forwards would be both who provoked it and who died in it,” co-creator Dario Madrona revealed in an interview with Entertainment Tonight. “But to his credit, [co-creator] Carlos [Montero] wasn’t happy with it. We kept discussing it, and we realized that we had never considered Polo’s death because it felt a bit too obvious, when in fact, it was the logical, coherent thing to do.”

Source: https://www.buzzfeed.com/kellymartinez/tv-storylines-that-almost-happened