Final answer:
The subject of the sentence is 'I', which is the pronoun representing the person speaking or writing.
Step-by-step explanation:
The subject of the sentence is 'I', which is the pronoun representing the person speaking or writing. Pronouns act as the subject of a sentence and are used to replace nouns. In this case, 'I' is the subject of the sentence because it is the one going to college in San Francisco, California.
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