This can be done in SQL as below
SELECT Org, SUM(CASE WHEN class='class1' THEN 1 ELSE O END) As Class1Count,
SUM(CASE WHEN class='class2' THEN 1 ELSE O END) As Class2Count,
SUM(CASE WHEN class='class3' THEN 1 ELSE O END) As Class3Count,
SUM(CASE WHEN class='class4' THEN 1 ELSE O END) As Class4Count
FROM tableName
GROUP By Org
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