This might help. The points don’t apply to your spouse or kids only to the principal applicant. However, in the second set of points (CRS) your spouse can help increase your score if they get their ECA done and take the IELTS.
You will need to get 67 out of 100 to be eligible to file under the Federal Skilled Worker (FSW) sub-category of the Express Entry process.
If you make this cut-off and file your express entry application then it goes into a pool. Multiple times a year a points (CRS) cut-off is decided by CIC based on the applications in the pool and everyone over that number is invited (ITA) to complete the PR process.
Here’s an explanation of the FSW points.
Here’s a calculator to figure out your CRS score