A 15% increase would see Band D household charges rising by £256 a year, from the current £1,708.
The consultation comes after council leaders warned they would need to introduce “radical measures” to balance their books.
In August the council wrote to the government saying it needs more support for Special Educational Needs and Disabilities (Send) and said a deal to manage its Send budget overspend is failing.
The council originally faced a £53m funding gap over the next three years, but officials have now identified savings of £46m, and £2.5m still needs to be found by February for the 2025-26 financial year.
Mr Bell continued: “Like many other councils, we still face having to make tough savings decisions which will affect the…