https://www.reuters.com/article/us-powerschool-hldg-ipo/powerschool-valued-at-over-3-billion-in-nyse-debut-as-shares-rise-idUSKBN2EY285 >(Reuters) -Shares of PowerSchool Holdings Inc rose 2.8% in their New York Stock Exchange debut on Wednesday, giving the cloud-based education software provider a valuation of about $3.57 billion.