Sitting for AORN certification next month — anyone else feel underprepared? — Forums

Nicole F.OP

May 27, 2026

I've been a perioperative nurse for six years and finally decided to bite the bullet and go for my CNOR. Exam is June 28th and I'm starting to panic a little. I've been studying on and off for about eight weeks but honestly the last two weeks have been rough with back-to-back call shifts. I feel solid on aseptic technique and instrument counts but the regulatory/standards content is killing me.

I picked up an AORN study guide through the official site and it's thorough but dense. What I've found more helpful lately is working through an AORN practice test set — the rationale explanations after each question are where I'm actually learning. I'm scoring around 68-72% right now and I know I need to be closer to 75-80% before test day.

For anyone who's passed recently: how did you handle the environmental services and sterilization sections? And did you find the actual exam harder or easier than the practice questions? Any exam tips would be genuinely appreciated right now.

Preethi N.

May 28, 2026

68-72% sounds about right for where you should be six weeks out. I was scoring around there and ended up passing with what felt like a comfortable margin. The real exam felt slightly more straightforward than the harder practice questions, which was a relief. One thing that helped me was making a one-page cheat sheet of AORN recommended practices categories and just re-reading it every morning. Repetition works. You've got this.

Nicole F.

May 28, 2026

Same boat last fall! Call shifts during crunch time is brutal. I carved out 45 minutes every morning before my kids woke up — not glamorous but it added up. Focus on the why behind each standard, not just memorizing numbers. That mindset shift changed everything for me.

Mike_T

May 28, 2026

I passed in March after about ten weeks of prep. Honestly the sterilization section was harder than I expected — know your Spaulding classification cold and understand the difference between high-level disinfection vs sterilization parameters. I used the AORN study guide plus a practice test bank and my scores jumped from 66% to 81% in the last two weeks. Don't neglect the patient safety/TeamSTEPPS content either. That stuff shows up more than you'd think.

Sitting for AORN certification next month — anyone else feel underprepared?

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