"Being against forced vaccination ..."
... should be the default pro-freedom conservative position for ANY non-very-communicable disease.
If someone wants the vaccine, they can have it for their own protection on their own time and their own dime.
The fact that the vaccine is (a) not proven and (b) for a preventable STD and not for generally communicable disease only adds to the certainty that this is wrong to mandate this for 6th grade girls.
"It's simply a strongly-worded recommendation" No, its a mandate. It says:
"Rules. The Health and Human Services Executive Commissioner shall adopt rules that mandate the age appropriate vaccination of all female children for HPV prior to admission to the sixth grade. "
See also:
http://travismonitor.blogspot.com/2007/02/pushing-back-on-perrys-hpv-vaccine-plan.html
If there is a parental opt-out, it isn't mandatory.