The purpose of this study was to gauge the level of availability of ISTE Digital Citizenship standards among middle and high school students in Riyadh, Saudi Arabia. The research employed a quantitative survey approach to measuring the availability of elements of digital citizenship. The survey was administered to a sample of 394 students from several middle and high schools. The survey items were built based on the four domains of digital citizenship by ISTE (Digital identity, Ethical behavior, Intellectual property, and Digital privacy and security). Findings revealed that students showing a high level of availability of digital citizenship in the first and second domains, as well as showing a high level of Internet self-efficacy. Based on the findings, it was recommended to put more emphasis on promoting digital citizenship among middle and high school students, especially raising awareness about intellectual property rights, cybersecurity, online bullying, digital identity, and good interaction with others over the Internet.