Perhaps it shows the area’s widespread parity that last week No. 1 Sidwell Friends lost to Montverde Academy (Fla.), a team that No. 2 Bishop McNamara beat, and still rises to the top. Or that No. 5 Bishop Ireton unseated No. 2 Bishop McNamara a day after losing to No. 8 Paul VI. Or that Paul VI lost its two other games last week, including to No. 14 Archbishop Carroll. Or that …