Zhenghua Secondary School (ZSS) is a co-educational government secondary school located in Bukit Panjang, Singapore. Established on 15 December 1999, the school offers secondary education leading to the Singapore-Cambridge GCE Ordinary Level examinations or the Singapore-Cambridge GCE Normal Level examinations.

Bukit Panjang is a planning area and residential town located in the West Region of Singapore. A portion of this town is situated on a low-lying elongated hill. The planning area is bounded by Bukit Batok to the west, Choa Chu Kang to the northwest, Sungei Kadut to the north, the Central Water Catchment to the east, and Bukit Timah to the south. Bukit Panjang New Town is located at the northern portion of the planning area. Bukit Panjang has an average elevation of 36m/118 ft.