Sorted by points… U16R3 - O'Reilley and U16R4 - Seifer are tied for 3rd.
Points head-to-head was skipped because it only applies when the tied teams played each other.
Using most wins… U16R3 - O'Reilley 0, U16R4 - Seifer 0; still tied.
Using differential [GF/(GF+GA)]… U16R3 - O'Reilley 0.429, U16R4 - Seifer 0.100; U16R3 - O'Reilley is 3rd, U16R4 - Seifer is 4th.
The above uses the current tie-breaker settings from the website; official rules prevail in any discrepancies