I sort mine into buckets based on gain and leakage.
Low gain <50
Mid gain 50<100
High gain >100
Low leakage <150
High leakage 150<300
Bad >300
In general, all the bad leakage ones get put into a single bucket, same with the low gain non-bad leakage ones. The rest have their own buckets (ie. mid gain low leakage, mid gain high leakage).
This is exact enough for my pedal building requirements.