Identify the market details of the online grade school (k-8) education market in the United States including the following: market size by the number of companies segmented by company size (i.e. total companies, number of small, medium, and large, and a definition of revenue for each segment); market size and key players of online education companies total; market size and key players for online afterschool classes only; market size and key players of online courses only; market size and key players of educational franchises only; and a competitive landscape of the key players for each segment including name, website, pricing model, performance (how do they track after the participation), student engagement metrics, staff effectiveness, list of LMS used, how they track online meeting data, and if they use ZOOM.