Amazon's dynamic pricing algorithm is wreaking havoc on school budgets nationwide, with districts paying 17% more for basic supplies compared to traditional procurement contracts. A damning new report reveals how the same pack of Sharpie markers cost one Colorado district three times more than a neighboring city paid on the identical day, exposing the hidden costs of algorithmic pricing in public sector purchasing.
Amazon's business empire just got caught squeezing America's schools. The tech giant's dynamic pricing algorithms are driving up costs for basic classroom supplies by an average of 17%, hitting cash-strapped districts where it hurts most, according to explosive new research from the Institute for Local Self-Reliance.
The price manipulation is brazen. On the same December day in Colorado, an employee from Boulder's city government bought a 12-pack of Sharpie markers for $8.99 through Amazon Business. Just miles away, Denver Public Schools paid $28.63 for the identical product - a staggering 218% markup that no human negotiator would ever accept.
That's not an outlier. The ILSR report documents similar price swings across classroom staples - Crayola markers, Kleenex tissues, Expo dry erase markers, and Elmer's glue all subject to Amazon's algorithmic whims. "Among the 100 most frequently ordered products, the highest prices Amazon charged were, on average, 136 percent higher than the lowest," researchers found after analyzing thousands of transactions.
The pricing chaos stems from Amazon Business abandoning the traditional procurement model that protected schools for decades. Where districts once negotiated fixed-price contracts with local suppliers who competed on transparent bids, Amazon's platform offers no price guarantees. Instead, its black-box algorithm adjusts costs in real-time based on demand patterns, purchase frequency, and other opaque factors.
This isn't just about overpriced markers. School administrators told ILSR they're seeing their carefully planned budgets blown apart by unexpected price spikes mid-semester. One district reported spending an extra $50,000 on office supplies after Amazon's algorithm decided their frequent orders triggered premium pricing tiers.









