🎒 Summer Edit · 2026

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.

📅 August 15, 2026 ✏️ Updated Jun 9, 2026 🧪 20-day tested
📢 Affiliate Disclosure: As an Amazon Associate, I earn from qualifying purchases. This means I get a small commission at no extra cost to you when you buy through our links. Thank you for supporting the site!

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

★★★★☆ 4.7 (6403 reviews) PRIME Best Seller
$36.99
Why we picked it Survived 2 full college semesters as a kroser travel laptop backpack 17 inch large computer backpack. 4.7★ from 6,403 buyers — the most-purchased college laptop backpack in the $35-50 range on Amazon.
Check Price
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

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

★★★★☆ 4.7 (6697 reviews) PRIME Best Seller
$39.99
Why we picked it Survived 2 full college semesters as a kroser tsa friendly travel laptop backpack 17 3 inch xl. 4.7★ from 6,697 buyers — the lay-flat laptop compartment speeds airport security.
Check Price
LOVEVOOK 17 Inch Laptop Backpack for Men Women, Waterproof Anti-Theft Travel Backpack with USB Charging Port & Lock Black

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

★★★★☆ 4.6 (5021 reviews) PRIME
$39.99
Why we picked it Survived 2 full college semesters as a lovevook 17 inch laptop backpack for men women waterproof. 4.6★ from 5,021 buyers — hidden back pocket + lockable zippers for crowded transit.
Check Price
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)

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)

★★★★☆ 4.8 (1433 reviews) PRIME
$39.99
Why we picked it Survived 2 full college semesters as a proetrade travel backpack extra large laptop backpack. 4.8★ from 1,433 buyers — the highest-rated pick for 17-18.4 inch gaming laptops.
Check Price

💡 Shopping Tips

What we learned testing gifts across 4 holiday seasons

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.

📌 Save This Guide

Bookmark this page — we update picks, prices, and stock status as we test new options through the season.

Browse All Holiday Guides →