I am looking for a way to achieve the following:

A group of users ‘students’
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They login to the site
Each student can see a ‘Custom Dashboard Widget(s)’
Each widget will carry a personal message wrote by Admin for that
logged-in student. Such as A] Total Days in the course B] Total
attendance C] paid & due fees.

Is it possible with WP or should we look for another CMS to achieve these?

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1 comment

This can be solved using custom meta fields in the user profile (only visible to administrators) and then making an individual dashboard widget containing this meta (only visible if certain criteria is met).

Adding fields to the user profile page can be done:

1) manually

Following Justin Tadlock’s tutorial: Adding and using custom user profile fields
Using this Q&A to hide the fields for non-admin users
Following Frank BÃ¼ltge’s tutorial: Add WordPress Dashboard Widgets

2) by a plugin

The previous Answer used another plugin, but the Comments thread explains the change.
Appart from being well coded and maintained, Advanced Custom Fields is incredibly handy.

2a) Setting up Custom User Fields

^{click to enlarge}

2b) Administrator editing an user

_{/wp-admin/user-edit.php?user_id=7}
acf user editing

2c) Non-admin users viewing the Dashboard

The following will display (or not) each user a personalized message.

/**
 * Add Dashboard Widget
 */
add_action('wp_dashboard_setup', 'wpse_51591_wp_dashboard_setup');


/**
 * Only builds the Widget if the display message checkbox is enabled in the user editing screen 
 */
function wpse_51591_wp_dashboard_setup() 
{
    global $current_user;
    get_currentuserinfo();
    $show_msg = get_field( 'user_message_enable', 'user_' . $current_user->ID );
    $widget_title = 'Personal Messages to ' . $current_user->data->display_name;
    if( $show_msg )
        wp_add_dashboard_widget( 'wpse_user_personal_message', $widget_title, 'wpse_51591_wp_dashboard_per_user' );
}

/**
 * Content of Dashboard Widget
 * Shows the content of each user's custom message
 */
function wpse_51591_wp_dashboard_per_user() 
{
    global $current_user;
    get_currentuserinfo();
    $the_msg = get_field( 'user_message_text', 'user_' . $current_user->ID );
    echo $the_msg;
}

Results in:
enter image description here

Bonus code
Adding a bit of UX into ACF: show/hide the Message Textbox if the Enable Message Checkbox is checked or not.
It’s better to change the order of the fields in ACF config, first checkbox then textbox.

add_action( 'admin_head-user-edit.php', 'wpse_51591_acf_profile' );
add_action( 'admin_head-user-new.php', 'wpse_51591_acf_profile' );

function wpse_51591_acf_profile() 
{
    ?>
    <script type="text/javascript">
    jQuery(document).ready( function($) 
    {       
        /* Wait 1.4s for ACF to be ready */
        setTimeout(function() {
            // find our checkbox
            var the_check = $('#acf-user_message_enable').find('input:last');
            
            // default state
            if( $(the_check).is(':checked') )
                $('#acf-user_message_text').fadeIn();
            else
                $('#acf-user_message_text').fadeOut();
                
            // live changes
            $(the_check).change(function () 
            {   
                if( $(this).is(':checked') ) 
                    $('#acf-user_message_text').fadeIn();
                else
                    $('#acf-user_message_text').fadeOut();
            });
        }, 1400);
        
        });
    </script>
    <?php
}

How to Make a Custom Dashboard Widget to Display Custom Notification from Admin?