The ESSA Tier III Promising Evidence Badge from Leanlab Education denotes that an edtech product has met Tier III of the ESSA Tiers of Evidence. To qualify for ESSA Tier III, an edtech company must complete a well-designed correlational study that found statistically significant positive effects of the edtech tool. Badge recipients may be listed in third-party directories, including the ISTE Edtech Index.

• Type Certification
• Level Foundational
• Time Months