The Spanish word that best completes the sentence "I go to school because I like..." is "aprender."
Here's why:
1. "Aprender" in Spanish means "to learn."
2. Going to school is a place where one can learn different subjects and acquire new knowledge, skills, and information.
3. Therefore, the most suitable word in this context is "aprender" as the purpose of going to school is usually to gain education and learn new things.
So, the complete sentence would be: "I go to school because I like aprender (to learn)."
