Chéng Duānlǐ 程端禮 (1271–1345), Jìngshū 敬叔, hào Wèizhāi 畏齋, was a Yuán-period Confucian educator and Lǐxué loyalist. Native of Qìngyuánlù 慶元路 (Yínxiàn 鄞縣, modern Níngbō 寧波). Held provincial educational posts under Yuán — Xuélù 學錄 of Táizhōu 台州, then Xuézhèng 學正, then Jiāoyù 教諭 — culminating as Yīxìngfǔ Xuéjiàoshòu 衢州路儒學教授. He is best known for the Chéngshì jiāshú dúshū fēnnián rìchéng 程氏家塾讀書分年日程 (KR3a0033) — the most influential Yuán-Míng schedule of Confucian study, prescribing daily and yearly reading and writing exercises for boys aged eight to twenty-five through the Sìshū, Wǔjīng and Lǐxué canon. The Rìchéng was endorsed by the Yuán imperial Hànlín and was distributed by the Guózǐjiàn throughout the Yuán-Míng educational system. CBDB id 28475, dates 1271–1345. He is the elder of two Chéng brothers (Chéng Duānlǐ and Chéng Duānxué 程端學, 1278–1334) prominent in Yuán scholarship; the brothers’ Wèizhāi jí 畏齋集 is preserved separately.