Costco Back to School Sweepstakes
This sweepstakes has ended. See sweepstakes ending this week or all live sweepstakes.
| Prize | 5,000 winners will each have 100 Bonus Box Tops (ARV $10) credited to their designated school. |
|---|---|
| Value (ARV) | $50,000 |
| Winners | 5000 |
| Ended | September 30, 2026 at 11:59 PM ET |
| Entry | Unlimited One Sweepstakes entry per Valid Offer Claim; limit of 15 Sweepstakes entries per person during the Promotion Period |
| Open to | 18+ · 50 US + DC |
| Sponsor | General Mills Sales, Inc. |
Costco Back to School Sweepstakes is an unlimited-entry sweepstakes from General Mills Sales, Inc.. 5,000 winners will each have 100 Bonus Box Tops (ARV $10) credited to their designated school. There's no limit on entries. It runs through September 30, 2026. No purchase is necessary — entry is free on the sponsor's own site, and the official rules linked above have the full eligibility details.
Details extracted from the official rules; last verified October 18, 2026 at 12:09 AM.