Anyone else studying for CPE in the next month? Want to study together

For what it's worth from someone who's been through it:

The CPE is one of those exams where the practice tests really do prepare you well. The style of questioning is pretty consistent. If you're comfortable with "CPE" material under timed conditions, you'll be fine.

The one thing I'd add: read the question stems very carefully. They sometimes add a qualifier that completely changes the right answer and it's easy to miss when you're going fast.

Also check whether you need to schedule the exam in advance — some testing centers book up 2-3 weeks out.

Passed mine about three years ago now, so take this with that context in mind. The thing that surprised me most was how heavily the exam leans on packaging materials science and sustainability — I'd gone in thinking it would be more process-heavy, but there were way more questions around barrier properties, recyclability, and material selection tradeoffs than I expected. If you're light on that area, I'd prioritize it.

The other thing I wish I'd done differently: don't just memorize the IoPP body of knowledge categories, actually understand *why* certain packaging structures behave the way they do under stress, temperature changes, moisture. The questions aren't straightforward recall — they tend to be scenario-based, like "given these distribution conditions, which substrate makes sense and why." Working through a cpe practice test or two helped me get a feel for that framing before the real thing.

Five weeks is honestly a solid runway if you're consistent. The accountability buddy idea is smart — I studied solo and there were definitely weeks where I coasted. Just make sure you're both pushing each other on the weak spots, not just reinforcing what you already know.

Five weeks out and same boat here. I'm finding the materials interaction stuff is what keeps tripping me up — like the questions where they give you a product, an environment (humidity, cold chain, whatever), and expect you to know which barrier material or closure actually holds up. The pure definitions I can memorize fine, but those scenario questions feel like a different animal.

What's been the hardest section for you so far? I'm trying to figure out if I should be sweating the distribution/transport packaging math (ISTA test methods, stacking strength, that compression formula stuff) or if the bulk of the exam leans more toward materials and design. My practice attempts keep punishing me on anything quantitative, so I'm curious whether that matches what you're seeing or if I'm just weak there.

Happy to compare notes on a weekly check-in if you want — even just trading which topics wrecked us that week. Misery loves company and all that.