Atascadero Middle (Data source)
Source data for Atascadero 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 | 2481376 | 2487 | - | 2552 | = | -65 | * | (123 | / | 718) | = | -11.13509748 | ||
| 7 | 2481377 | 2538 | - | 2567 | = | -29 | * | (324 | / | 718) | = | -13.08635095 | ||
| 8 | 2481380 | 2528 | - | 2586 | = | -58 | * | (271 | / | 718) | = | -21.89136485 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Atascadero Middle | -46 | ||||||||||||
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 | 75641 | 2502 | - | 2552 | = | -50 | * | (120 | / | 779) | = | -7.70218225 | ||
| 7 | 75644 | 2537 | - | 2567 | = | -30 | * | (334 | / | 779) | = | -12.86264439 | ||
| 8 | 75646 | 2547 | - | 2586 | = | -39 | * | (325 | / | 779) | = | -16.27086006 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Atascadero Middle | -37 | ||||||||||||
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 | 77671 | 2513 | - | 2552 | = | -39 | * | (121 | / | 738) | = | -6.39430892 | ||
| 7 | 77673 | 2532 | - | 2567 | = | -35 | * | (300 | / | 738) | = | -14.22764228 | ||
| 8 | 77674 | 2547 | - | 2586 | = | -39 | * | (317 | / | 738) | = | -16.75203251 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Atascadero Middle | -37 | ||||||||||||
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 | 77843 | 2523 | - | 2552 | = | -29 | * | (271 | / | 885) | = | -8.88022598 | ||
| 7 | 77846 | 2534 | - | 2567 | = | -33 | * | (308 | / | 885) | = | -11.48474573 | ||
| 8 | 77847 | 2531 | - | 2586 | = | -55 | * | (306 | / | 885) | = | -19.01694911 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Atascadero Middle | -39 | ||||||||||||
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 | 78375 | 2503 | - | 2552 | = | -49 | * | (307 | / | 863) | = | -17.43105445 | ||
| 7 | 78376 | 2532 | - | 2567 | = | -35 | * | (273 | / | 863) | = | -11.07184239 | ||
| 8 | 78377 | 2556 | - | 2586 | = | -30 | * | (283 | / | 863) | = | -9.8377752 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Atascadero Middle | -38 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -46 | -37 | -37 | -39 | -38 | -197.0 | -39.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -30.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -48.4
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 | 40% | 39% | 39% | 44% | 43% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Atascadero Unified school district | County of San Luis Obispo
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.
Atascadero Middle math proficiency
Zero+ meets standard.
31% less $meal
33% less $meal
32% less $meal
37% less $meal
35% 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.
Junior High Schools (Public) schools in Atascadero Unified (1)
| Atascadero Middle |