In the hands of an already successful scholar, the extras that endowments provide ensure continued success - for the scholar and the school.
( ( In ( ( the hands ) ( of ( an ( ( already successful ) scholar ) ) ) ) ) ( , ( ( ( the extras ) ( that endowments ) ) ( ( provide ( ( ( ensure ( continued success ) ) - ) ( for ( ( ( the scholar ) and ) ( the school ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (DT the) (NNS hands)) (PP (IN of) (NP (DT an) (ADJP (RB already) (JJ successful)) (NN scholar))))) (, ,) (NP (NP (DT the) (NNS extras)) (SBAR (WHNP (WDT that)) (S (VP (VBZ endowments))))) (VP (VBP provide) (S (VP (VB ensure) (NP (VBN continued) (NN success)) (: -) (PP (IN for) (NP (NP (DT the) (NN scholar)) (CC and) (NP (DT the) (NN school))))))) (. .)))
The endowment doesn't provide any extras and hinders the school. 
( ( The endowment ) ( ( ( ( ( does n't ) ( provide ( any extras ) ) ) and ) ( hinders ( the school ) ) ) . ) )
(ROOT (S (NP (DT The) (NN endowment)) (VP (VP (VBZ does) (RB n't) (VP (VB provide) (NP (DT any) (NNS extras)))) (CC and) (VP (VBZ hinders) (NP (DT the) (NN school)))) (. .)))