Ms Hurley said it would be better to have three spaces that included a gender neutral option.
"We just couldn't understand why you had to take away the boy's space and the girl's space," she said. "We didn't understand the need for it."
She said the case had cost "a lot of money", but they received some financial backing from For Women Scotland, as well as other donors they did not name.
"I think we're at a point where schools need more support from the government on this," she added. "You have to get it right for every child."
Scottish Borders councillor Julie Pirone said the local authority would be reviewing the toilet provision in all its schools to ensure all children felt safe.
"It's not a huge review but we need to get it right," she added.
"I expect it to be small and minor changes of what we've got because our new schools are absolutely fantastic facilities.
"But this will make us pause and have a little rethink on the provision we've got and make sure they fit in with the legislation and the ruling we've had this week."
After the court ruling, the Scottish government said it would carefully consider the implications of the judgement.
A spokesperson added: "Local authorities have statutory responsibility for the school estate, including provision of toilets.
"The Scottish government is committed to ensuring that our Transgender Guidance for Schools remains up to date and fit for purpose.
"As with any significant legal or policy developments, we will consider whether the guidance requires to be updated to reflect upon these."