Not necessarily. If you get caught plagiarizing at your school, there's many factors that would be considered by the school in terms of what an appropriate outcome would be. If it's a student's first offense, plagiarism can result in various disciplinary sanctions. It could result in probation, it could result in a warning. If it's a student's second or subsequent offense, the stakes will definitely be higher in terms of what the potential disciplinary sanctions would be in terms of how severe they would be.
If it's a second or subsequent offense, it could definitely result in suspension or even expulsion. It also depends on at what stage of school an accused student is at in college save versus a master's program master's degree, or a PhD program. The accused student would generally have the possibility of a more mitigated outcome or less severe outcome at a lower level of higher education. The expectation is on say a master's student or a PhD student are certainly going to be higher.
Being accused of academic misconduct, including plagiarism, regardless of the circumstances, if it's intentional or unintentional, even self-plagiarism is incredibly serious. It can cause both tremendous short and long-term effects. Take the necessary precautions before you engage with the school. Having an experience, academic misconduct advisor will be your best ally in understanding and navigating the process. They should be involved as early as possible in an academic misconduct case.