Seniors: What to Know Before the September 11 ACT Deadline

Senior year gets crowded fast. Applications are opening, scholarship deadlines are starting to appear, and there are still essays to write, recommendations to request, FAFSA preparation to think about, and regular schoolwork that isn't going anywhere.
One date is easy to lose in all of that: September 11.
That's the regular registration deadline for the October 17 ACT. Students can still register through September 29, but doing so adds a $42 late fee to the $70 test fee, and ACT registration deadlines close at 11:59 p.m. Central Time.
Why October Matters
For a senior still working toward a stronger ACT score, October can be one of the last practical testing opportunities before many fall admission and scholarship deadlines arrive. ACT lists October 27 as the initial score-release date for this test, and ACT says more than 97% of scores are available within one to four weeks of test day.
That timing helps, but it doesn't answer the real question: does an October score actually matter for this student, at this school?
A college may consider ACT scores for merit aid even when it does not require them for admission. Superscoring policies vary, and scholarship programs may also have a final test date or score-receipt deadline.
The only way to know is to check, school by school, rather than assume.
If October isn't the right fit, the full 2026–27 ACT test date calendar lists every remaining option through next summer.
Check Before You Pay
Cost shouldn't be the reason an eligible student misses a testing opportunity that could strengthen their options.
Eligible juniors and seniors can receive up to two ACT fee waivers for the 2026–27 year, covering the standard registration fee and the optional science and writing sections. Students who register with a waiver also get free access to ACT's self-paced prep course.
Eligibility is based on economic need. That includes students enrolled in programs for economically disadvantaged students, such as qualifying GEAR UP or Upward Bound participants, along with those receiving qualifying public assistance, living in subsidized housing, or in foster care or experiencing homelessness.
Students who think they may qualify should ask their school counselor to review the criteria with them.
What to Do This Week
Start with the MyACT account. Pull up the admission and scholarship pages for every school on the list and look for two things: whether that college considers ACT scores for merit aid, and the latest test date or score-receipt deadline it will accept.
If cost is a factor, talk to a counselor about waiver eligibility before registering, not after.
Then decide. If an October score could strengthen a student's admission or scholarship options, register by September 11.
College access is shaped by big decisions, but often by smaller ones too: a deadline someone flagged in time, a scholarship requirement a student actually checked, a fee waiver nobody mentioned until it was almost too late.
This week, that's September 11.
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