Schools in Lanark, Illinois, the US. Schools locations in Lanark, Illinois. Find the nearest schools locations, near you. All types of business services Accounting ATM Finance Funeral home Insurance Lawyer Real estate School All schools in Lanark Eastland High School School +1 815-493-6341 500 South School Drive, Lanark, Illinois 61046 Write a review Phone Website Directions Eastland Junior High School School +1 815-864-2300 School Drive, Lanark, Illinois 61046 Write a review Phone Website Directions