D.J. Harvey and DeMatha are off to a strong start with wins over No. 6 St. John’s and Chaminade (Mo.). (Katherine Frey/The Washington Post)

1. DeMatha (4-0) Last ranked: 2

Nate Darling averaged more than four threes a game as the Stags grabbed four quality wins, including a 51-47 win over St. John’s.

2. Montrose Christian (4-1) LR: 8

The Mustangs rattled off four season-opening wins before falling to Orangeville Prep (Canada) on Saturday.

3. National Christian (7-0) LR: 11

Junior forward Christian Matthews led the Eagles to a 62-58 win over North Carolina’s Trinity Christian at the National High School Hoops Festival.

4. O’Connell (6-0) LR: 10

The Knights have strung together six straight wins to start the season, all by 18 points or more.

5. Gonzaga (3-2) LR: 4

The Eagles stumbled against some out-of-area competition, but have four different players averaging double-digit points early on.

6. St. John’s (3-2) LR: NR

The Cadets charge into the Top 20 with impressive wins over Paul VI and Largo, led by 17 points per game from Jeff Dowtin and Anthony Cowan Jr.

7. Paul VI (2-2) LR: 1

The Panthers knocked off WCAC foes St. Mary’s Ryken and Bishop Ireton before falling to St. John’s and national power Oak Hill.

8. Bowie (3-0) LR: NR

The young Bulldogs appear to have meshed quickly, opening their season with an upset of St. John’s and wins over C.H. Flowers and Suitland, despite having no scorer averaging more than 11 points per game.

9. Coolidge (3-1) LR: 14

Junior guard Justin Route has been a force for the Colts, averaging nearly 33 points per game with two 40-point performances.

Anthony Cowan (0) and St. John’s are 3-2 but notched an upset of then-No. 1 Paul VI last week. (Jonathan Newton/The Washington Post)

Brandon Kamga is averaging 26 points per game for South Lakes, which beat W.T. Woodson last week. (Jonathan Newton/The Washington Post)

10. Bullis (4-2) LR: 6

Junior forward Mickey Bell is averaging nearly 16 points per game for the Bulldogs, who beat Spalding 59-46 in their most recent outing.

11. Capitol Christian (6-3) LR: 12

The Warriors knocked off defending DCIAA champion Theodore Roosevelt, 75-61, behind 23 points from Chris Orlina.

12. Riverdale Baptist (8-3) LR: 7

Guard DeQuan Abrom has emerged as the go-to scorer for the Crusaders, dropping 31 points in a win over Westlake last week.

13. Potomac (Md.) (2-2) LR: 5

After Randall Broddie scored 38 in a win over Forestville, the Wolverines stumbled against Central and West Charlotte High (N.C.) with a short-handed squad last week.

14. Largo (3-1) LR: NR
Abdulai Bundu followed up a 47-point outburst in a come-from behind with over Douglass with 28 points in a Saturday overtime loss to St. John’s.

15. South Lakes (4-1) LR: NR

The Seahawks knocked off potent W.T. Woodson last week to emerge as an early contender in Northern Virginia, thanks in large part to Brandon Kamga’s 26 points per game.

16. Oakland Mills (2-0) LR: 19

The Scorpions took care of two Howard County challengers thanks to 22 points per game from Will Robinson Jr.

17. Clinton Christian (1-3) LR: 3

Clinton Christian picked up a win over defending Maryland 4A Champion Wise, but lost to John Paul the Great and two out of area teams despite 20 points per game from Ahsante Shivers.

18. Wise (2-1) LR: 9

The new-look Pumas fell to Clinton Christan but handled Prince George’s County foes DuVal and Suitland as they began their Maryland 4A title defense.

19. Maret (7-1) LR: 16

Luke Garza is averaging more than 20 points per game for the Frogs, who have not allowed an opponent more than 54 points in a game this season.

20. Potomac (Va.) 4-0 LW: NR

The defending Virginia 5A state champs are off to strong start, led by senior guard Keijon Honore’s 20 points per game.

Dropped out: No. 13 W.T. Woodson (3-2), No. 15 Westfield (2-1), No. 17 Wakefield (2-1), No. 18 Theodore Roosevelt (0-2), No. 20 Eleanor Roosevelt (2-1)

On the bubble: W.T. Woodson, Eleanor Roosevelt, St. Andrew’s (6-0)