Near the end of the Common App, after you've wrestled with your essay and squeezed ten activities into tiny boxes, there's a section called Additional Information. It's optional. Most students either skip it without reading the instructions or panic and wonder if leaving it empty looks bad.
It doesn't look bad. But for some students, this little box is the most useful space in the whole application. Here's how to tell if you're one of them, and what to write if you are.
What the section is actually for
Think of it as the place for context the rest of your application can't hold. Admissions readers look at your transcript, your activities, and your essays, and they build a picture of you. Sometimes that picture has a gap or a smudge that only makes sense with one more piece of information. This is where that piece goes.
Some of the most common good uses:
- A grade dip with a real reason. Your sophomore spring looks rough because you had mono, your family moved twice, or a parent was in the hospital. A reader who sees only the grades will guess. A reader who sees two sentences of explanation doesn't have to.
- Family responsibilities. If you pick up your siblings from school every day, translate at doctor's appointments, or work weekends to help pay rent, that's real time and real responsibility. It may not fit neatly in the activities list, and it explains why your list might look shorter than someone else's.
- A school with limited course offerings. If your school offers two advanced classes total and you took both, say so. Readers often learn about your school from your counselor's report, but a short note from you can make it clear you took what was available.
- An activity that needs more explanation. The activities list leaves room for only a line or two of description. If you built something, ran something, or did something unusual that can't be explained that briefly, a short paragraph here can fill in what the box couldn't.
- Other changes in circumstance. A switch between schools, a gap in your schedule, a change in which classes you could take. Anything a reader might otherwise misread.
What not to use it for
This is where students get into trouble. The section is roomy, so it's tempting to treat it as a bonus round. Resist that.
- Not a second essay. If you had two essay ideas and couldn't pick, don't paste the runner-up here. Readers notice, and it can make you seem like you didn't trust the application's limits. If you're torn between topics, our guide to choosing a Common App essay prompt can help you settle it.
- Not a place for excuses. There's a difference between context and complaint. "My chemistry teacher didn't like me" is a complaint. "I was out for six weeks in the fall after surgery and finished the course through make-up work" is context.
- Not a repeat of your activities list. Listing every award again, or rewriting your activity descriptions in longer form just because you can, adds reading time without adding information.
- Not a poem, a manifesto, or a list of favorite books. Unless it explains something real about your record, leave it out.
A useful test: if you deleted it, would a reader misunderstand something about you? If the answer is no, you probably don't need it.
How to write it
This section has a different voice from your personal essay. The essay is personal and reflective. Additional Information is plain, factual, and to the point. You're not trying to move anyone. You're trying to be understood quickly.
Bullets are completely fine here. So are short, labeled paragraphs. A reader who's on their thirtieth file of the day will thank you for something they can scan.
Grades, 10th grade spring: My father was hospitalized from February through April. I cared for my two younger brothers after school during that time, and my grades in math and Spanish dropped. They recovered the following fall.
Notice what that example does. It states what happened, when, and how it affected the record. Then it stops. No dramatic opening, no lesson learned, no "this made me who I am." That belongs in an essay if anywhere, and the reflection there should go deeper than a sentence anyway. If you're writing about a hard stretch for your main essay, read how to write about a challenge in a college essay first so the two pieces don't repeat each other.
A few more format tips:
- Lead with the label or topic so a reader knows what each part explains.
- Use specific dates or grade levels instead of "a while ago."
- Keep the tone even. Calm, factual writing reads as more credible than anything emotional.
- If your counselor is also covering the same issue in their letter, a brief mention from you is still fine. Just keep it short.
How long should it be?
You can write up to 650 words. That doesn't mean you should. For most students who use this section, somewhere between a few sentences and a couple of short paragraphs is plenty. Shorter is usually better, because it signals you know what matters and respect the reader's time.
If you find yourself past 300 words, read it again and ask which sentences a reader truly needs. You'll usually find the explanation has drifted into storytelling.
Leaving it blank is fine
Really. Plenty of strong applications leave this section empty because there's nothing to explain. Nobody reads a blank Additional Information box and thinks less of you. Filling it with something unnecessary is a bigger risk than leaving it alone.
So here's the short version. If something in your record needs context, give that context in plain, specific language and keep it brief. If nothing does, skip it and spend that energy on your essay revisions instead.
Our Essay Coach reads your draft paragraph by paragraph and tells you what's working and what isn't. It asks questions and points at problems. It never writes a sentence for you, so every word stays yours.