SELECT 'k=>name, v=>"Nava Ratna Secondary School"'::hstore;
When there are single quotes in the values or in the keys the easiest is to use dollar quote:
SELECT $$k=>"name", v=>"St. Xavier's Academy"$$::hstore;
Or the more widespread escaping:
SELECT 'k=>"name", v=>"St. Xavier''s Academy"'::hstore;