St. Clare Catholic School Addition and Renovation

O'Fallon, Illinois

  • FIRM

    EWR Associates


    St. Clare Catholic School

  • AREA

    57,800 sq.ft.






• Design an addition to a 90-year-old Catholic school on a downtown, 11-foot sloping site that blends with the existing building, yet adds a “new” look.

• Efficiently add on to and renovate the existing building to reduce costs.

• Increase green space, reduce runoff, add landscaping and improve ADDITIONAL INFORMATIONCAPACITY525COST PER SQ FT$207.84FEATURED IN2015 Architectural PortfolioSUB CATEGORYRenovation appeal.

• Remove on-street drop-off by separating pedestrian and vehicular traffic.

• Resolve inaccessibility of existing mid-landing entrances, insufficient restrooms, mid-level gym and substandard cafeteria.

• Restore historic integrity and heritage of the existing building.

• Recapture space previously used for inaccessible restrooms.

• Provide two sections per grade levels pre-K thru 8.

• Eliminate music room and Kindergarten temporary modular classrooms.

• Provide new science lab, computer lab, IT space and library.

• Relocate faculty office space and add conference and sick room.

• Establish security with addition of new controlled entry at new office.

• Preserve interior of existing building’s terrazzo and wood floors, and its 12-foot tin ceilings.


• A three-story linear addition that fits the urban site, matches floors and enables construction during school time.

• Resulting facility that layers lower to upper grades on each floor.

• Improved accessibility throughout the building.

• New addition meets space program needs while adding curriculum space and technology throughout.

• Modular music building and separate Pre-K and Kindergarten buildings were eliminated.

• Site development provides new on-site drop lanes and a secured playground.

• Masonry and interior restoration eliminates deterioration, saving 39,000 square feet of new construction cost and 90 years of heritage.