<div class="sidebar-menu sticky-sidebar-menu">

    <!-- logo start -->
    <div class="logo">
        <h1><a href="index.html">Collective</a></h1>
    </div>

    <!-- if logo is image enable this -->
    <!-- image logo --  
    <div class="logo">
      <a href="index.html">
        <img src="image-path" alt="Your logo" title="Your logo" class="img-fluid" style="height:35px;" />
      </a>
    </div>
    <!-- //image logo -->

    <div class="logo-icon text-center">
        <a href="index.php" title="logo"><img src="assets/images/logo.png" alt="logo-icon"> </a>
    </div>
    <!-- //logo end -->

    <div class="sidebar-menu-inner">

        <!-- sidebar nav start -->
        <ul class="nav nav-pills nav-stacked custom-nav">
            <li class="active"><a href="index.php"><i class="fa fa-tachometer"></i><span> Dashboard</span></a>
            </li>

            <!-- <li><a href="students.php"><i class="fa fa-graduation-cap"></i> <span>Students</span></a></li> -->
            <!-- <li><a href="sessions.php"><i class="fa fa-th"></i> <span>Sessions</span></a></li> -->
            <li><a href="classes.php"><i class="fa fa-institution"></i> <span>Classes</span></a></li>
            <!-- <li><a href="subjects.php"><i class="fa fa-book"></i> <span>Subjects</span></a></li> -->
            <li class="menu-list">
                <a href="#"><i class="fa fa-file-text"></i>
                    <span>Assesments <i class="lnr lnr-chevron-right"></i></span></a>
                <ul class="sub-menu-list">
                    <li><a href="assessments.php"><!--<i class="fa fa-book"></i> -->Record Marks</a></li>
                    <li><a href="check_results.php"><!--<i class="fa fa-file-text"></i>-->Get Results</a></li>
                </ul>
            </li>
            <li><a href="attendance_option.php"><i class="fa fa-file"></i> <span>Attendance</span></a></li>
        </ul>
        <!-- //sidebar nav end -->
        <!-- toggle button start -->
        <a class="toggle-btn">
            <i class="fa fa-angle-double-left menu-collapsed__left"><span>Collapse Sidebar</span></i>
            <i class="fa fa-angle-double-right menu-collapsed__right"></i>
        </a>
        <!-- //toggle button end -->
    </div>
</div>