Complex sentence: Despite these advances, McGraw-Hill felt that NRI Schools' future business prospects and opportunities for growth were too limited and they announced in 1999 that NRI Schools would be phased out, citing "changes in the marketplace".
Split into simpler sentences: Despite these advances, McGraw-Hill felt that NRI Schools' future business prospects and opportunities for growth were too limited. It was announced in 1999 that NRI Schools would be phased out, citing "changes in the marketplace".