All you need to know about combination of result: Neco and waec combination is accepted.
Combining 2017 and 2013 or other years result is accepted.
Combining both nov/dec and may/june result is accepted.
Most university Accept combine results.
You can combine either GCE and NECO / NECO and WAEC. / WAEC and GCE /
NECO and NECO GCE