$(document).ready(function() {
  function menuEscola(){
    var href = window.location.href;
    
    $('.conteudo-menu a').each(function(){
        var anchor_href = $(this).attr('href');

        if( href.match(anchor_href) ){
            var atual_class = $(this).attr('class').split(' ')[0];
            $(this).addClass(atual_class + '-ativo');
        }
    });
    
  }
  
  menuEscola();
});