how can i create a form without use resources(action :new, :create ) in rails

This is my controller

class SchoolsController < ApplicationController
  def teacher
    @teacher = Teacher.new
  end

  def form_create
    @teacher = Teacher.new(teacher_params)
      if  teacher.save
         redirect_to schools_teacher_path
      else
         flash[:notice] = "error"
      end
 end
 private
  def teacher_params
    params.require(:teacher).permit(:name)
  end

end

This is my views/schools/teacher.html.erb

<%= form_for :teacher do |f| %>
  <%= f.text_field :name %> 
  <%= f.submit %>

<% end %> I am new to ruby on rails, so plz help me to solve this problem.I hope u all. plz reply me