diff --git a/w4/browser/components/NewStudentForm.js b/w4/browser/components/NewStudentForm.js
deleted file mode 100644
index c3a4687..0000000
--- a/w4/browser/components/NewStudentForm.js
+++ /dev/null
@@ -1,33 +0,0 @@
-import React, { Component } from "react";
-
-
-export default class NewStudentForm extends Component {
-  constructor(props) {
-    super(props);
-    this.state = {}
-  }
-
-
-  render() {
-    return (
-      <form >
-        <label>
-          First Name:
-          <input type="text" name="firstName"  />
-        </label>
-
-        <label>
-          Last Name:
-          <input type="text" name="lastName" />
-        </label>
-
-        <label>
-          Email:
-          <input type="email" name="email"  />
-        </label>
-
-        <button type="submit">Submit New Student</button>
-      </form>
-    );
-  }
-}
\ No newline at end of file
diff --git a/w4/browser/components/SingleStudent.js b/w4/browser/components/SingleStudent.js
index 695699b..ba90f89 100644
--- a/w4/browser/components/SingleStudent.js
+++ b/w4/browser/components/SingleStudent.js
@@ -10,9 +10,12 @@ const avgGrade = tests => {
 
 const SingleStudent = (props) => {
     console.log('ppp', props)
+    const { tests } = props.student
+    const hasTests = tests.length ? true : false
+    
    return ( <div>
         <h3>{props.student.fullName}</h3>
-        <h3>Average grade: {avgGrade(props.student.tests)}%</h3>
+        <h3>Average grade: {hasTests && avgGrade(props.student.tests)}%</h3>
         <div>
             <table>
                 <thead>
@@ -23,7 +26,7 @@ const SingleStudent = (props) => {
                 </thead>
                 <tbody>
                 {
-                    props.student.tests.map((test) => {
+                    hasTests && props.student.tests.map((test) => {
                         return (
                             <tr key={test.id}>
                                 <td>{test.subject}</td>
@@ -40,4 +43,4 @@ const SingleStudent = (props) => {
 }
 
 
-export default SingleStudent
\ No newline at end of file
+export default SingleStudent