I can assure you that your investment in this institution will allow us to continue the long tradition of excellence that is Cathedral High School.
( I ( ( can ( ( assure you ) ( that ( ( ( your investment ) ( in ( this institution ) ) ) ( will ( allow ( us ( to ( continue ( ( ( the ( long tradition ) ) ( of excellence ) ) ( that ( is ( Cathedral ( High School ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (MD can) (VP (VB assure) (NP (PRP you)) (SBAR (IN that) (S (NP (NP (PRP$ your) (NN investment)) (PP (IN in) (NP (DT this) (NN institution)))) (VP (MD will) (VP (VB allow) (S (NP (PRP us)) (VP (TO to) (VP (VB continue) (NP (NP (DT the) (JJ long) (NN tradition)) (PP (IN of) (NP (NN excellence))) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (NP (NNP Cathedral) (NNP High) (NNP School))))))))))))))) (. .)))
Cathedral High School can continue its tradition of excellent regardless of your investment. 
( ( Cathedral ( High School ) ) ( ( can ( continue ( ( its tradition ) ( of ( ( excellent regardless ) ( of ( your investment ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Cathedral) (NNP High) (NNP School)) (VP (MD can) (VP (VB continue) (NP (NP (PRP$ its) (NN tradition)) (PP (IN of) (NP (NP (JJ excellent) (NNS regardless)) (PP (IN of) (NP (PRP$ your) (NN investment)))))))) (. .)))