, often shortened to is a public high school in Saitama City, Saitama Prefecture, Japan. It is one of the few public schools in the prefecture that does not have a school uniform.
Until the 1970s, the school enjoyed prestigious position after Urawa High School and Urawa Ichijo High School. During the 80s and 90s, it was known as one of the best public schools and sent its alumni to the best universities in Japan, such as Tokyo University. Many applicants to the school are attracted by the no-school-uniform policy and by the liberal atmosphere that encourages students' independence.
The school is located in Urawa-ku, Saitama City and situated in a quiet residential area behind the idyllic scene of Minuma. The closest train station, JR Yono Station, is within 20 minutes walking distance, 1.7 kilometers.
In 1934, Urawanishi High School was founded as a female school called . The school changed its name to in 1948. In 1950, Educational Reform abolished the prior policy and restarted the school as a coed institution with the current school name, Urawanishi High School. During this period, the institution was located at the western part of Urawa-ku (former Urawa City). In 1956, the school moved to its current site, but did not change its name (which literally means Urawa Western High School), although it no longer reflected its location.
Urawanishi's 22 varsity athletic teams and 23 other clubs offer a wide range of opportunities for extracurricular activities. In the past, the school was known for its Soccer Team, which won the national title twice in 1956 and 1965. In recent years, Japanese Archery Team and Basketball Team have won many titles at the prefectural and regional levels.