K-12 Education Market Size, Share & Trends Estimation Report By Type(Public K-12 education,Private K-12 education,Online K-12 Education),by Applications(Pre-primary School,Primary School, Middle School,High School),By Service Providers(Ed-tech companies,Educational Institutions)By Method(Blended/instructor-led training,Computer/web-based training), By Region, And Segment Forecasts, 2023 - 2030