Am I wrong?
Right or wrong depends on how expensive your lawyer is.
The school release form is poorly written. Too bad the school board didn't hire the good lawyer. I wouldn't sign that form.
• Useless sidebar #1: When I was your age, schools didn't have release forms. Photographers could go to a school, tell the principal that the newspaper needed a picture of students doing (whatever), the principal would then take the photographer into a classroom or gym to shoot away, and that was that. Also used to be able to wander into museums and art galleries to do feature pictures.
The school's release form is an agreement between the school board and the parents. It's not an agreement between you and the parents or between you and anyone else.
The school release form seems to apply only to pictures used by the school board itself and not by any third party. Although, due to the poorly-worded release form, one might be able to argue that it might permit some third party use. However, the smart (and safe) money says you have no release form.
• Useless sidebar #2: Everyone panics when children are involved because, as we all know, publishing a picture of a child means that kidnappers, pedophiles and other bogeymen immediately come out of the woodwork
. Paranoia is the fastest growing industry around.
My understanding is that if I follow the Canadian Charter of Rights and Freedom for photographers, I should be able to make my own decisions without consultation
Charter Rights are not absolute. Privacy rights sometimes tend to trump freedom of expression. (Keep in mind that the Charter describes the relationship between "The State" and the people. It does not describe the relationship between individuals or businesses. The purpose of Charter is to protect us from evil government but not from evil businesses or evil neighbours).
You could ask the school for permission but, based on the poorly-worded release form, I would question the school's legal right to reassign the release form to you. Although, depending on how the museum plans to use the pictures, it could be done.
You could have the museum pick a specific picture(s) and then you you get releases from those specific parents. Have the museum "pay" the parents with free family passes.
The common way to handle situations like this is to pass the liability onto the end-user of the pictures. You must have a contract with almost all clients. This contract should include a clause that says something like (but don't copy-and-paste this):
The Client will indemnify, defend and hold The Photographer harmless against any and all claims, liabilities, damages, costs and expenses, including reasonable legal fees and expenses, arising from the use of The Photograph(s) by The Client.
Unless delivered by The Photographer to The Client, no model or property releases exist. It is the responsibility of The Client to obtain the necessary permissions for any use that requires model or property releases not delivered by The Photographer.
It is the responsibility of The Client to determine whether any model or property releases delivered by The Photographer are suitable for The Client’s purposes.The point is, you're a photographer, not a publisher. The act of publishing is where problems can arise. Since you, the photographer, have no control over the publishing, you shouldn't bear any liability for the publishing.
However, you should always do the client a favour and strongly urge them to get release forms whenever you think it might be necessary.
Do I need to have permission to post my photographs on my website?
Yes, no.
Yes: it helps to have permission. Your contract should include a clause for this.
No: If you don't have an agreement with someone, (a private individual and not a public figure), then I would suggest that you do not use any picture that might be considered inappropriate, embarrassing, etc. Even then, should someone call and complain, in most cases you probably should remove the picture. Removing a picture of a private individual shouldn't affect your web site.