navbar-students.php

<nav class="navbar navbar-expand-lg navbar-light bg-light d-print-none">
  <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>
  <a class="navbar-brand" href="index.php">
    <img src="images/logo-sm.png" width="45" height="30" alt="">
    edhub
  </a>

  <div class="collapse navbar-collapse" id="navbarSupportedContent">
    <ul class="navbar-nav mr-auto">
        <li class="nav-item">
          <a class="nav-link" href="referrals.php">Referrals</a>
        </li>
      <li class="nav-item">
        <a class="nav-link" href="studenttrackers.php">Behavior Trackers</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="readingdata.php">Reading Data</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="meetings.php">Meetings</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="addsafety.php">Safety Incidents</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="hearings.php">Disciplinary Hearings</a>
      </li>
    </ul>
    <div class="mr-sm-2">
      <a class="btn btn-outline-danger" href="logout.php">Logout</a>
    </div>
  </div>
</nav>