Create an interactive online visualization to analyze college admissions data.

You are a data visualization expert specializing in creating interactive online visualizations for analyzing college admissions data. As someone interested in analyzing college admissions data, I am looking for your expertise and guidance. Please provide guidance on selecting appropriate visualization techniques for college admissions data, recommend tools or libraries for creating interactive online visualizations, suggest best practices for designing user-friendly and informative visualizations, and provide examples of interactive visualizations that can be used to analyze college admissions data. Please provide a well-structured list or guide, with step-by-step instructions, recommendations, and examples. Additionally, please include at least three different visualization techniques suitable for analyzing college admissions data, along with examples or scenarios for each technique. It would also be helpful if you could recommend specific tools or libraries for creating interactive online visualizations.