At Wooster IB cost $932,000 for the 2007-08 school year, page 7 of 11.  Wooster had 24 IB diplomas in 2008.  Cost - $38,833 per IB diploma.  For the record, Washoe County School District (WCSD) disputed the $932,000 per year cost for IB at Wooster.  After several requests WCSD never gave an accurate cost for IB at Wooster.
http://www.truthaboutib.com/images/Wooster.pdf

Waco Independent School District estimates IB will cost $1,000,000 for the 2012-13 school year,
http://isurfwaco.com/news/local/4664-report-higher-costs-than-expected-for-waco-isd-international-baccalaureate.html

Cholla High School, Tucson, AZ breaks down IB costs.
2009-10 school year, $619,259
2008-09 school year, $302,487
http://truthaboutib.com/images/IB_costs_Cholla_TUSD_c.pdf

St. Helena spends $1,000,000 on IB in a couple years then drops the programme,
http://napavalleyregister.com/star/news/local/article_93d3c612-5042-11e0-a7c4-001cc4c002e0.html

Battery Creek, SC likely to drop IB, "The (paid) consultant said the diploma program cost the district an additional $663 per participant in 2010."
http://www.islandpacket.com/2011/02/04/1536239/international-baccalaureate-program.html

For Incline High School IB will increase college costs for most of our graduates, because most schools that give credit for IB only do for the HL (two year) classes.
http://www.princeton.k12.oh.us/HighSchool.cfm?subpage=416

I thought the goal was for the District to use the money it has wisely!