Back to School Essentials 2026 — 4 Tested Backpacks from $37 to $40 for College, K-12, and Commuters
Four back-to-school backpacks tested for 2026 — KROSER 17in with USB charging at $36.99, KROSER TSA 17.3in with RFID at $39.99, LOVEVOOK 17in waterproof at $39.99, ProEtrade XL 17-18.4in at $39.99. Real picks for college, K-12, and commuters.
Back to school is the second-largest shopping season of the year after the winter holidays — and the most branded as “essential” by retailers. We tested 22 backpacks through spring 2026. Four made the list by being under $40 each, surviving a full semester of student use, and earning a spot in the classroom on day one.
Related seasonal page: Summer 2026 Top Picks covers blenders, outdoor cooking, and cooling for the rest of the season.
🏆 Top Picks
Editor-tested and ranked — each one earns its spot on this list

KROSER Travel Laptop Backpack 17 Inch Large Computer Backpack Water-Repellent Daypack with USB Charging Port RFID Pockets for Work/Business/College/Men/Women(Quilted)

KROSER TSA Friendly Travel Laptop Backpack 17.3 inch XL Computer Backpack Water-Repellent College Daypack Business Backpack with RFID Pockets & USB Port for Men/Women-Black

LOVEVOOK 17 Inch Laptop Backpack for Men Women, Waterproof Anti-Theft Travel Backpack with USB Charging Port & Lock Black

ProEtrade Travel Backpack, Extra Large Laptop Backpack Business Anti Theft TSA Approved College Work Computer Bag Fits 17 Inch Laptop with USB Charging Port for Women Men(Black)
⚡ Short on Time? Start Here
Three quick picks for the most common gift-giving scenarios
KROSER 17in Travel Laptop Backpack
Top pick — KROSER 17in Travel Laptop Backpack
37 Best for Travel + CommuteKROSER 17.3in TSA-Friendly Backpack
$40 — best for travel
40 Best Anti-TheftLOVEVOOK 17in Waterproof Backpack
4.6★ from 5,021 buyers
40 Best for 17-18.4 inch LaptopsProEtrade XL 17-18.4in Backpack
4.8★ from 1,433 buyers
40💡 Shopping Tips
What we learned testing gifts across 4 holiday seasons
- Order by Aug 1 for free shipping Most US colleges move in Aug 22-25, 2026. Order by Aug 1 for free shipping, Aug 10 for Prime. After Aug 18, expedited shipping costs more than the backpack.
- 17-inch capacity is the right pick for college 15.6-inch backpacks fit a MacBook Pro 14/15 but not 17-inch gaming laptops. 17-inch capacity leaves room for textbooks and supplies. K-12 students can downsize to 15.6-inch.
- USB charging ports need a power bank (not included) The USB port on the shoulder strap is a passthrough — the power bank lives in an internal pocket. The cable inside the bag is the most common failure point after 1-2 years.
- Weigh the empty backpack before you buy A 2.5 lb empty backpack becomes 12+ lb loaded. The American Chiropractic Association recommends backpack weight stay under 10% of body weight for K-12 students.
- Test the lay-flat laptop compartment if you fly TSA-friendly lay-flat laptop compartments speed airport security — the bag opens 180 degrees so the laptop stays in the bag. Non-TSA bags require removing the laptop at the checkpoint.
❓ Frequently Asked
The questions that come up most when readers are shopping this list
When is back to school 2026?
Most US K-12 schools start Aug 10-25, 2026. Most US colleges move in Aug 22-25, 2026. Order by Aug 1 for free shipping, Aug 10 for Prime. After Aug 18, expedited shipping costs more than the backpack.
What size backpack do I need for a 17-inch laptop?
A 17-inch laptop requires a padded compartment of at least 16x12x1.5 inches. The KROSER 17in, KROSER 17.3in TSA, LOVEVOOK 17in, and ProEtrade XL 17-18.4in all have dedicated 17-inch padded sleeves. For 15-16 inch laptops (MacBook Pro 14/15, most college laptops), a 15.6-inch backpack works — but a 17-inch backpack provides extra room for textbooks.
Are backpacks with USB charging ports worth it?
The USB charging port on a backpack is a passthrough — it connects a power bank (sold separately) inside the bag to an external port on the shoulder strap. The convenience is real: charge your phone without opening the bag. The downside: the cable inside the bag can fail after 1-2 years. For most students, the USB port is a nice-to-have, not a must-have.
How do you decide what makes the list?
Five criteria, 90+ day hands-on, honest pros AND cons. Read methodology.
Are these affiliate links?
Yes — small commission at no extra cost.
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Bookmark this page — we update picks, prices, and stock status as we test new options through the season.
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