Quality:

Keystone School - school building in Keystone, South Dakota. Article “Keystone School (Keystone, South Dakota)” in English Wikipedia has 26.5 points for quality (as of July 1, 2026).
The article contains 3 references and 2 sections.
Since the creation of article “Keystone School (Keystone, South Dakota)”, its content was written by 6 registered users of English Wikipedia and edited by 6 registered Wikipedia users in all languages.
The article is cited 26 times in English Wikipedia and cited 26 times in all languages.
The highest Authors Interest rank from 2001:
- Local (English): #921486 in March 2019
- Global: #1603952 in March 2019
The highest popularity rank from 2008:
- Local (English): #3273713 in September 2009
- Global: #6179550 in September 2009
There is 1 language version for this article in the WikiRank database (of the considered 55 Wikipedia language editions).
The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).