DET 110 to 130: What the Test Is Actually Looking For at Each Level

Someone posted on Reddit this week. Overall: 110. Speaking: 120. Writing: 115. Reading: 105. Listening: 100.

Their question: Does anyone know how to increase from 110 to 130?

We've seen this exact pattern more times than we can count. Strong production. Weaker comprehension. Score stuck. And the advice they're getting — more vocabulary, more grammar, more practice questions — won't move it.

Here's what will.

The test isn't measuring what you think it is

Most students prepare for the DET like it's a knowledge test. It isn't. There's no grammar section. No vocabulary quiz. Instead, the DET uses a computer-adaptive algorithm that adjusts question difficulty based on your answers in real time. Your score reflects both how accurate you are and how difficult the questions you answered correctly were. Here's how Duolingo explains their scoring system.

The algorithm is trying to find your ceiling. Not what you've memorized. What you can do automatically, under pressure, without support.

This is why drilling grammar rules doesn't move the score. The test isn't checking if you know the rules. It's checking if the language is already inside you.

The real reason scores get stuck

In second language acquisition research, there are two distinct types of proficiency.

The first is conversational fluency — language used in everyday situations, supported by context, tone, shared understanding. Most learners develop this within two to three years of real exposure to a language.

The second is academic language proficiency — abstract, context-reduced, demanding. The kind you need when explaining something unfamiliar, to someone who can't see what you're pointing at, with no shared context to fall back on. Researchers call this distinction BICS and CALP — and it consistently takes five to seven years to develop. Most DET prep content doesn't touch it.

A score around 110 often reflects strong conversational fluency, while 130 usually requires more stable academic language processing.

That gap isn't filled by studying more of the same thing. It requires a different kind of practice entirely.

What the test is actually looking for at each level

90–110: Accuracy

Can you communicate clearly and completely?

At this level, students describe well on familiar ground but fall apart when the topic shifts. They produce correct sentences — but stop at the surface. They answer. They don't interpret.

Write About the Photo — what a 110 answer sounds like

"There is an old woman sitting at a table in a café. She has food in front of her but she is not eating. She is looking outside. The café looks quiet. Maybe she is waiting for someone."

Accurate. Complete. Covers what's visible.

It lists. It doesn't move. Even "maybe she is waiting for someone" avoids committing to a real idea. This is 110 — the language works, the thinking stops at the surface.

110–120: Interpretation

Can you explain what things mean, not just what they are?

This is where the Reddit student is right now. Notice their pattern: Speaking 120, Writing 115 — production is solid. Reading 105, Comprehension 110 — processing is where the gap lives. Production is easier than inference under pressure.

Read Then Speak — what a 120 answer sounds like

A city introduced a four-day work week for municipal employees. Productivity increased, but some services became slower. Is this a good policy?

"I think it can be a good policy because when people have more rest they usually work better. The text says productivity went up, so that supports this idea. But the slower services are a problem, especially for people who depend on them. I think the city needs to find a balance — maybe some departments keep five days and others switch to four. Overall the benefits seem to outweigh the problems if they manage it carefully."

This is solid — and this is exactly where most students get stuck.

There's a position. Evidence from the text. A proposed solution. But look at what's missing: why does rest improve productivity? Who is most affected by slower services? What kind of balance would actually work and why?

At 120, you use the information you're given. At 130, you go beyond it.

120–130: Flexibility

Can you keep generating ideas in English, even when the topic is unfamiliar or uncomfortable?

Students at this level perform well on familiar prompts. But the algorithm is designed to keep pushing. It gives harder and less familiar items to students who are doing well. Above 120, topics get more abstract and unexpected, sometimes asking you to discuss things you've never thought about before. At 130, the topic stops controlling your thinking.

Speaking Prompt — what a 130 answer sounds like

"Some people believe the most important skill a person can learn is how to disagree respectfully. Do you agree?"

"I think this depends on what we mean by important — important for what? If we're talking about professional or academic life, then yes, I'd agree it's near the top. The ability to challenge an idea without attacking the person holding it is rare, and it shapes everything from how teams make decisions to how countries negotiate. What I find interesting about this claim is the word 'respectfully' — it implies that disagreement itself is fine, even necessary. The problem isn't conflict. It's how we handle it. I learned this personally when I had to tell a mentor their approach wasn't working. The relationship survived because of how the conversation was framed, not because we avoided the disagreement. So yes — I'd rank it highly, maybe below critical thinking but above most technical skills."

The topic was abstract. The answer wasn't.

No fancy vocabulary. No memorized template. Just thinking that keeps moving — questioning the prompt, making a comparison, grounding it in experience, arriving at a clear position. That's what 130 looks like.

Why this matters more than grammar

The students we work with who break past 120 don't suddenly know more English. They start thinking differently in English.

We've seen this firsthand. One of us reached C2 in Spanish as a second language — not through grammar drills, but through building the kind of thinking that works in a language, not just the kind that sounds right.

There's a ceiling between conversational fluency and academic proficiency. Most students hit it and don't know what it is. They assume they need more English. They don't. They need a different kind of thinking in English.

That's what changes between 110 and 130. Not the language. The thinking.

Where to go from here

If your score looks like that Reddit post — strong speaking, weaker comprehension, stuck overall — it's not because you need more English. It's because you need a different kind of thinking in English.

If your Reading and Comprehension subscores are lower than your Speaking and Writing, start there — not with more speaking practice. See also: Why Your DET Score Won't Move and Why DET Scores Stall at 90-100.

If your scores are stalling across the board despite consistent study, you've likely hit the ceiling between conversational and academic language. More of the same won't break through it. Learn more: How to Stop Freezing on Interactive Speaking and What DET Score You Actually Need.

Not sure which level you're actually at — or which gap is holding your score back? We run a free diagnostic session that maps exactly where your thinking breaks down under DET conditions.

Book a free diagnostic →