How to measure a student's English progress

Every time a student asks "teacher, am I really improving?", the honest answer is more complicated than it sounds. Measuring a student's English progress in an honest way is one of the hardest parts of private tutoring, because progress in a language is not a single thing. It is vocabulary, it is fluency, it is grammar, it is comprehension. And each of those facets improves at its own pace.

To make things worse, most of the tools out there for assessing English progress are either expensive and time consuming (standardized tests), or purely subjective (the teacher's impression, the student's self assessment). The result is that the teacher ends the term without a single concrete data point to show, and the student renews more out of rapport than out of evidence.

Why measuring English progress is so hard

English is not math. There is no final exam with an objective grade that says "you went from level 4 to level 5". What exists are standardized tests like TOEFL, IELTS, Cambridge, and CEFR placement, and from the private student's point of view they all share the same problem: they cost a lot, they take hours to complete, and they only give an isolated snapshot of one specific day.

For the independent teacher, running these tests every three months for every student is not feasible. And even if it were, a test snapshot does not capture what matters in the day to day of the lesson: is the student speaking more? Is the student freezing less? Is the student using new words? Is the student understanding what you say better, without needing you to repeat?

That is why most teachers end up relying on what you could call gut feeling. They look at the student after three months and sense that they have improved, but they cannot translate that into an indicator. And when the student asks, the answer becomes "you are doing great, keep it up", which is the weakest possible line for justifying a monthly fee.

The facets that make up real progress in English

To measure progress honestly, you first have to break down what "knowing English" means into separate facets. Each facet improves differently and responds to different metrics:

• Active vocabulary how many words the student actually uses when speaking, not just recognizes when reading.
• Fluency how long the student speaks without freezing, how many long pauses they take mid sentence, how long it takes to answer a simple question.
• Grammar how many structural mistakes the student makes per minute of speech, which verb tenses they already use naturally.
• Comprehension how much the student understands without asking you to repeat, without asking for a translation, without needing you to slow down.

The key point is that these four facets improve at different rates. Some students take off in vocabulary but freeze on fluency. Some students understand everything but cannot produce a sentence on their own. Assessing English progress without separating these dimensions masks what is really happening.

How most people measure progress today

The most common solution is a mix of three things, all with serious limitations:

• A placement test at the start and end of the term. It works for the record, but it only captures a snapshot of one day. If the student was nervous or tired, the reading comes out distorted.
• Student self assessment. "How do you feel about your English?" The answer always carries bias. A friendly student says they are improving to please you; a critical student says they have not moved at all even after improving a lot.
• The teacher's impression. Human memory is poor at comparing performance week over week. You remember the last lesson clearly and have a vague sense of what things were like three months ago.

Some more sophisticated attempts try to fill that gap with a spreadsheet per student (new words covered, recurring mistakes, notes), but it becomes one more manual task that the teacher gets tired of keeping up by the third month with the fifth student.

Apps like Duolingo and Cambly try to provide an automatic "progress" dashboard, but based on gamified exercises, not real speech. A student earns XP on Duolingo without necessarily being able to say what shows up in the exercises. And a marketplace dashboard focuses on "minutes consumed", not on linguistic performance.

What a serious measurement system would need to do

Thinking about what a system would have to deliver to truly solve English progress measurement, without turning into a manual task and without relying only on standardized tests, the list is fairly concrete:

• Capture data from the real lesson, not from a separate exercise. The student performs for real when talking with the teacher, not in an isolated quiz.
• Separate the student's speech from the teacher's speech. Without that separation, any metric becomes an average of the conversation, and loses its pedagogical meaning.
• Calculate objective indicators per lesson: speaking time, unique words used, speaking speed, frequency of filler words.
• Accumulate those indicators across lessons, to give a trend reading, not an isolated snapshot.
• Work automatically, without the teacher having to turn anything on or fill in a spreadsheet afterward.

Without that last item, the system fails within three weeks. Any tool that depends on the teacher remembering to log something manually will be abandoned in the first busy week.

Why measuring matters for both student and teacher

For the student, having a concrete number for improvement changes the experience. A student who sees "at the start of the term you spoke 18 unique words per lesson on average, now you speak 34" stops doubting that they are improving. Motivation comes back, the monthly fee renews without hesitation.

For the teacher, measuring shows where to focus. A student freezing on fluency needs more free conversation practice, not more grammar drilling. A student who improves in vocabulary but not in comprehension needs more audio input. Without metrics, the teacher plans in the dark.

Measuring English progress is also the strongest argument against the student canceling and moving to a marketplace or a gamified app. Your private lessons gain evidence of impact that a foreign tool cannot produce.

How Noladi measures this

Every lesson taught in Noladi's live class is processed by the post-class pipeline automatically. The transcription is done per participant separately, so what the student said stays distinct from what the teacher said.

On top of that transcription, Noladi calculates statistics per lesson and per student: the student's speaking time versus the teacher's speaking time, the number of unique words the student used, the frequency of filler words, the average speaking speed. Lesson by lesson, these indicators are recorded and can be compared over time.

It is not a standardized test, and it does not replace a TOEFL when the student needs an official certificate. But it is real data from the lesson the student actually had, captured automatically, without the teacher having to configure anything per lesson. To track a private student's English progress day to day, it is a far more concrete answer than gut feeling or self assessment.

Get to know Noladi

If you give private lessons in English or any other language and you want to stop guessing your student's progress, it is worth creating a free account on Noladi and giving a test lesson. The first hour of live class is on the house, with no card required to create the account.

See how it works at noladi.app/teacher.