Isbell Middle (Data source)
Source data for Isbell Middle
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 3167195 | 2480 | - | 2552 | = | -72 | * | (409 | / | 1153) | = | -25.54032953 | ||
| 7 | 3167196 | 2494 | - | 2567 | = | -73 | * | (360 | / | 1153) | = | -22.79271459 | ||
| 8 | 3167199 | 2502 | - | 2586 | = | -84 | * | (384 | / | 1153) | = | -27.97571549 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Isbell Middle | -76 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 97598 | 2478 | - | 2552 | = | -74 | * | (448 | / | 1222) | = | -27.12929621 | ||
| 7 | 97601 | 2487 | - | 2567 | = | -80 | * | (420 | / | 1222) | = | -27.49590832 | ||
| 8 | 97602 | 2509 | - | 2586 | = | -77 | * | (354 | / | 1222) | = | -22.30605562 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Isbell Middle | -77 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 100434 | 2465 | - | 2552 | = | -87 | * | (388 | / | 1245) | = | -27.11325298 | ||
| 7 | 100436 | 2491 | - | 2567 | = | -76 | * | (438 | / | 1245) | = | -26.73734933 | ||
| 8 | 100437 | 2501 | - | 2586 | = | -85 | * | (419 | / | 1245) | = | -28.60642564 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Isbell Middle | -82 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 100595 | 2450 | - | 2552 | = | -102 | * | (443 | / | 1264) | = | -35.74841767 | ||
| 7 | 100597 | 2482 | - | 2567 | = | -85 | * | (384 | / | 1264) | = | -25.82278478 | ||
| 8 | 100599 | 2500 | - | 2586 | = | -86 | * | (437 | / | 1264) | = | -29.73259493 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Isbell Middle | -91 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 101249 | 2449 | - | 2552 | = | -103 | * | (404 | / | 1218) | = | -34.16420359 | ||
| 7 | 101250 | 2476 | - | 2567 | = | -91 | * | (429 | / | 1218) | = | -32.05172407 | ||
| 8 | 101251 | 2492 | - | 2586 | = | -94 | * | (385 | / | 1218) | = | -29.71264368 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Isbell Middle | -96 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -76 | -77 | -82 | -91 | -96 | -422.0 | -84.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -60.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -108.4
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 88% | 87% | 85% | 92% | 92% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Paula Unified school district | County of Ventura
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Isbell Middle math proficiency
Zero+ meets standard.
73% less $meal
72% less $meal
67% less $meal
76% less $meal
79% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Intermediate/Middle Schools (Public) schools in Santa Paula Unified (1)
| Isbell Middle |