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Article History

Received: 10 December 2024

Accepted: 7 July 2025

First Online: 27 November 2025

Declarations

:

: Ethical and Independent Review Services (eandireview.com) determined that the project did not require IRB review using their Determination of Research with Human Subjects assessment process. The ethics determination is publicly available at . All methods were carried out in accordance with relevant guidelines and regulations. Participating teachers provided informed consent prior to survey completion.

: Participants were informed that anonymized data may be used in research and published.

: All authors have been or currently are employed by the nonprofit organization, kindness.org. Compensation of kindness.org employees is not dependent on research output or findings. Financial donations were used to compensate participants and fund development of the Learnkind curriculum. Donors did not have any influence over the experimental design, data collection, research process, analysis, or writing of this manuscript.