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Act 1 Base Index is 2.5% for 2017-18

The link to the official Act 1 index notice is below.

Individual indices for those with MV/PI aid ratios greater than .40 will be released later at this link:

or you can calculate your own using this formula.  For school districts with a market value/personal income aid ratio (MV/PI AR) greater than 0.4000, the value of their index is adjusted upward by multiplying the base index by the sum of 0.75 and their MV/PI AR. For example, if the base index is 2.5% and the school district's MV/PI AR is 0.6000, the school district's adjusted index is 2.5% x (0.75 + 0.6000) = 3.4%.