A deferral letter is neither a rejection nor acceptance. Take a look at the glass half full and think of it as a second chance to impress the admissions committee. A student is deferred when there isn’t enough information or context to put them through a full acceptance.
When applying to selective institutions like Occidental College, supplemental essays are a huge part of the process. It is imperative that you take the time needed to write, edit, and revise a stellar supplemental essay.