Brands often fear narrowing down to a single niche and “losing the rest,” but the truth is that tight focus is usually what unlocks engagement at larger scales.

MarkMe AI is an AI‑powered study platform that entered TikTok this January with six accounts.

One creator in particular is already showing strong signs of traction: even when she doesn’t hit 500K views, she still consistently gets over 1,000 comments

Her focus is very specific: GCSE exam prep for students aged 14 to 16 in the UK.

“If you’re in year”->372.9K views, 1188 comments

And she’s not the first platform to lean into students preparing for a specific exam path, several apps have already proven that exam‑focused content drives higher engagement.

Here are some of the key strategies these apps share.