changeActive = () => {
    const { students } = this.state;
    if (students.active === true) {
      let studentCopy = JSON.parse(JSON.stringify(this.state.student));
      studentCopy[0].active = false;
      this.setState({
        student: studentCopy
      });
    } else {
      let studentCopy = JSON.parse(JSON.stringify(this.state.student));
      studentCopy[0].active = true;
      this.setState({
        student: studentCopy
      });
    }
  };