Table A1.

Search expressions by database used in the review.

Database	Keyword Search
Web of Science	ALL FIELDS: ((“green space” OR “greenness” OR “greenspace” OR “tree cover*” OR “natural environment*” OR “nearby nature”) AND (“academic performance” OR “academic achievement” OR “test score*” OR “standardized test*” OR “semester grade*”)). Indexes: SCI-EXPANDED, SSCI, A&HCI, CPCI-S, CPCI-SSH, BKCI-S, BKCI-SSH, ESCI, CCR-EXPANDED, IC. a
Scopus	TITLE-ABS-KEY ((“green space” OR “greenness” OR “greenspace” OR “tree cover*” OR “natural environment*” OR “nearby nature”) AND (“academic performance” OR “academic achievement” OR “test score*” OR “standardized test*” OR “semester grade*”)) AND DOCTYPE (ar)
Education Resources Information Center (ERIC)	(“green space” OR “greenness” OR “greenspace” OR “tree cover*” OR “natural environment*” OR “nearby nature”) AND (“academic performance” OR “academic achievement” OR “test score*” OR “standardized test*” OR “semester grade*”)

^a These constitute the Web of Science Core Collection.