EducationFleetCampaigns

Arco Educação: 3-4× more schools reached from advisors' own WhatsApp

Brazil's largest education technology hub.

Results

3-4×

More schools reached per month, same team

26%

Reply rate, measured for the first time

825 h

Given back to advisors in 2 months

32%

ROI in 2 months

Overview

Scaling relationships without taking the conversation away from the advisor.

Arco Educação's school success advisors manage the relationship with more than 8,000 client schools over WhatsApp, the channel schools already use every day. What was missing was scale: every notice, survey or campaign was sent by hand, school by school.

Challenge

A channel that worked, but didn't scale and wasn't measured.

Each institutional send took about 3 minutes per school: copy the standard text, paste the image and link, send. None of it reached the CRM, and leadership had no idea what each message produced.

SCALE

Manual sends, school by school: 3 minutes per message.

Notices, NPS surveys and campaigns all depended on each advisor's time.

MEASUREMENT

No measurement of opens, replies or outcomes.

The company didn't know who received a message, who replied or what turned into business.

RELATIONSHIP

Swapping the advisor's number for a brand number would break trust.

In B2B education, the advisor is Arco's face to the school. That was the biggest barrier to bringing the field team onto the WhatsApp API.

Solution

Sailer Fleet brought scale, rules and measurement to every advisor's WhatsApp.

Sailer ran in coexistence with the WhatsApp Business app the advisors already used. They kept talking from the same number, and the company gained targeted campaigns, eligibility rules and a record of everything in Salesforce.

01
COEXISTENCE
The same number, now also on Meta's official API.
No advisor changed number or phone. The pilot started on 20 July 2026 with 11 advisors and grew in weekly waves to 125 of 135 (92.6%).
02
ELIGIBILITY
No school gets a message at the wrong moment.
The channel is used only when it strengthens the relationship. Excluded from sends:
- Schools with an open conversation
- Schools with a critical health score
03
SEQUENCES
Sequences tied to the business, not just notices.
WhatsApp stops being a notice channel and starts generating opportunities and real-time satisfaction data.
Institutional NPSUpsell and cross-sellContract review
04
CLOSED LOOP
From the decision to communicate to the result in the CRM, in one loop.
- Router: prioritises communication requests
- Weekly beacon: what each advisor communicates that week
- Sailer: sends from the responsible advisor's WhatsApp
- Salesforce: logs contact, reply and school status
- Metabase: reads the metric and decides the next sequence

Results

What changed in practice.

DimensionBeforeWith Sailer

Reach

Before: ~3,500 messages and ~2,000 schools per month.

With Sailer: ~8,250 messages a month and 3-4× more schools, with the same team and the whole book covered every month.

Advisor time

Before: 3 minutes per message, copying and pasting.

With Sailer: 825 hours given back in 2 months (6.6 h per advisor), redirected to consultative work.

Measurement

Before: No data on opens, replies or outcomes.

With Sailer: 26% reply rate, with every campaign's results analysed.

Cost

Before: Scale only with more people.

With Sailer: 24% lower operating cost and 32% ROI in 2 months on licence and messaging.

Opportunities

Before: WhatsApp as a notice channel.

With Sailer: 150+ meetings booked and 50+ opportunities generated in the first month of commercial sequences.

NPS survey

Before: Isaac survey at 13.8% engagement on 21 Sept.

With Sailer: 43.6% on 2 Oct, a pace 2.2× faster than the previous cycle without Sailer.

Arco Educação is Brazil's largest education technology hub. Its 135 school success advisors manage the relationship with more than 8,000 client schools, and they do it on WhatsApp, the channel schools already use every day. The channel worked but didn't scale: every notice, survey or campaign was sent by hand at 3 minutes per school, and no reply was measured.

Replacing each advisor's number with a brand number would have solved scale and broken the relationship. With Sailer Fleet, Arco got both: advisors kept their own number, in coexistence with Meta's official API, and the company started sending targeted campaigns from that number, with rules that exclude schools with an open conversation or a critical health score. Everything is logged in Salesforce.

Within 2 months, 125 of 135 advisors were on the platform. They sent 16,500 messages from their own WhatsApp to more than 8,000 schools, with a 26% reply rate. The same team now reaches 3-4× more schools a month, with 825 hours given back to consultative work, 24% lower operating cost and 32% ROI over the period.

The commercial sequences, live since 1 September, produced more than 150 booked meetings and 50 opportunities by 30 September. In the NPS survey, the sequences added up to 10,077 messages, reached 3,149 schools and generated 1,100 responses in the first two weeks: 34.9% consolidated engagement.