The Wrenshall School Board earlier this week approved bids for indoor air quality improvements at the school in Wrenshall. The board accepted the low bid of $4,158,000 from Max Gray Construction out of Hibbing to improve air quality in the older parts of the school. The board also accepted a bid of $436,922 from Mavo Systems out of Duluth for asbestos abatement. The board approved bonding for the work last year without a referendum from voters.

Superintendent Kim Belcastro has said the work was too vital to wait for any improvements that might come with possible consolidation funding, whic...