For the second week in a row, all five regions had a new No. 1 team when the MaxPreps Computer Rankings were released on Thursday.
St. Mark's (Wilmington, Del.) took over the top spot in the Northeast from Bishop Eustace Prep (Pennsauken, N.J.) while Hamilton (Chandler, Ariz.) reclaimed its top spot in the West from Great Oak (Temecula, Calif.). In the South, Sumter, which recently won the South Carolina 4A state championship, moved into the top spot over former No. 1 Olympia (Orlando, Fla.).
In the Midwest, Mason (Ohio) moved up from No. 2 to No. 1, replacing Sacred Heart-Griffin (Springfield, Ill.) while Carroll (Corpus Christi, Texas) took over the top spot in the Southwest from The Woodlands.
The MaxPreps Regional High School Baseball Rankings are based on the
MaxPreps Computer Rankings as of May 22.
MaxPreps Regional Baseball Computer Rankings
Northeast 
North Rockland moved up a spot to No. 5 in the Northeast rankings this week.
Photo by Bill Starzyk
1. (last week 3)
St. Mark's (Wilmington, Del.), 16-2, 12.9
2. (NR)
Chesapeake (Baltimore), 22-2, 12.7
3. (2)
Ketcham (Wappingers Falls, N.Y.), 18-3, 12.5
4. (9)
Beacon (N.Y.), 18-2, 12.4
5. (6)
North Rockland (Thiells, N.Y.), 11-1, 12.3
6. (5)
New Hartford (N.Y.), 14-2, 12.2
7. (1)
Bishop Eustace Prep (Pennsauken, N.J.), 24-1, 12
8. (NR)
Reservoir (Fulton, Md.), 21-2, 12
9. (NR)
Caravel (Bear, Del.), 14-2, 11.9
10. (10)
St. Augustine Prep (Richland, N.J.), 20-4, 11.8
West
Hamilton moved back into the No. 1 in this week's West rankings.
Photo by Mark Jones
1. (2)
Hamilton (Chandler, Ariz.), 30-3, 16.8
2. (1)
Great Oak (Temecula, Calif.), 21-6, 15.9
3. (6)
Clovis (Calif.), 32-5, 15.1
4. (7)
Norco (Calif.), 24-2, 15
5. (4)
Rancho Bernardo (San Diego), 27-3, 15
6. (NR)
Greenway (Phoenix), 29-4, 14.9
7. (3)
Vista Murrieta (Murrieta, Calif.), 19-7, 14.9
8. (5)
St. Francis (Mountain View, Calif.), 26-4, 14.7
9. (NR)
Granite Hills (El Cajon, Calif.), 22-6, 14.4
10. (NR)
Huntington Beach (Calif.) 21-4, 14.3
South
Wes Roberson and Houston enter this week's South rankings at No. 8.
Photo by Andy Mitchell
1. (2)
Sumter (S.C.), 26-2-1, 16.4
2. (10)
South Dade (Homestead, Fla.), 22-7, 15.8
3. (1)
Olympia (Orlando, Fla.), 24-3, 15.4
4. (6)
Lambert (Suwanee, Ga.), 34-1, 15.3
5. (NR)
North Florida Christian (Tallahassee, Fla.), 26-4, 14.9
6. (5)
Cosby (Midlothian, Va.), 16-0, 14.8
7. (NR)
Oak Grove (Hattiesburg, Miss.), 26-5, 14.6
8. (NR)
Houston (Germantown, Tenn.), 36-8, 14.6
9. (3)
Chiles (Tallahassee, Fla.), 23-7, 14.6
10. (NR)
Clay (Green Cove Springs, Fla.), 23-7, 14.4
Midwest
St. Rita holds strong at No. 4 in this week's Midwest rankings.
Photo by John Rowland
1. (2)
Mason (Ohio), 23-4, 14.1
2. (1)
Sacred Heart-Griffin (Springfield, Ill.), 30-2, 14
3. (6)
Indianapolis Cathedral (Indianapolis), 21-3, 13.6
4. (4)
St. Rita (Chicago), 29-3, 13.3
5. (NR)
O'Fallon (Ill.), 23-2, 13.3
6. (NR)
Sterling Heights Stevenson (Sterling Heights, Mich.), 27-1-1, 13
7. (7)
St. Laurence (Burbank, Ill.), 24-4, 12.9
8. (5)
Libertyville (Ill.), 18-2, 12.9
9. (3)
Edwardsville (Ill.), 23-5, 12.8
10. (NR)
Baldwin (Pittsburgh), 15-2, 12.8
Southwest
Carroll is the new No. 1 team in the Southwest this week.
Photo by Kenneth Toso
1. (5)
Carroll (Corpus Christi, Texas), 35-3, 16.4
2. (1)
The Woodlands (Texas), 28-7, 15.9
3. (NR)
Flower Mound (Texas), 28-10-2, 15.8
4. (6)
Stillwater (Okla.), 31-4, 15.6
5. (8)
Rockwall-Heath (Rockwall, Texas), 33-7, 15.5
6. (7)
Langham Creek (Houston), 29-3, 15.4
7. (NR)
Barbe (Lake Charles, La.), 39-2, 15.4
8. (3)
Carroll (Southlake, Texas), 32-4, 15.4
9. (9)
Atascocita (Humble, Texas), 31-8-1, 15.2
10. (NR)
College Station (Texas), 34-7-1, 15.2
