Orchard Elementary (Data source)
Source data for Orchard Elementary
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 |
||
| 3 | 2961877 | 2395 | - | 2436 | = | -41 | * | (88 | / | 257) | = | -14.03891049 | ||
| 4 | 2961880 | 2429 | - | 2485 | = | -56 | * | (78 | / | 257) | = | -16.99610892 | ||
| 5 | 2961881 | 2446 | - | 2528 | = | -82 | * | (91 | / | 257) | = | -29.03501945 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Orchard Elementary | -60 | ||||||||||||
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 |
||
| 3 | 90623 | 2445 | - | 2436 | = | 9 | * | (72 | / | 229) | = | 2.82969432 | ||
| 4 | 90625 | 2450 | - | 2485 | = | -35 | * | (86 | / | 229) | = | -13.14410479 | ||
| 5 | 90627 | 2459 | - | 2528 | = | -69 | * | (71 | / | 229) | = | -21.39301309 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Orchard Elementary | -32 | ||||||||||||
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 |
||
| 3 | 93335 | 2426 | - | 2436 | = | -10 | * | (90 | / | 263) | = | -3.42205323 | ||
| 4 | 93337 | 2450 | - | 2485 | = | -35 | * | (89 | / | 263) | = | -11.84410644 | ||
| 5 | 93340 | 2466 | - | 2528 | = | -62 | * | (84 | / | 263) | = | -19.80228131 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Orchard Elementary | -35 | ||||||||||||
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 |
||
| 3 | 93537 | 2434 | - | 2436 | = | -2 | * | (80 | / | 258) | = | -0.62015504 | ||
| 4 | 93538 | 2438 | - | 2485 | = | -47 | * | (92 | / | 258) | = | -16.75968991 | ||
| 5 | 93541 | 2476 | - | 2528 | = | -52 | * | (86 | / | 258) | = | -17.33333332 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Orchard Elementary | -35 | ||||||||||||
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 |
||
| 3 | 94175 | 2430 | - | 2436 | = | -6 | * | (98 | / | 276) | = | -2.13043478 | ||
| 4 | 94176 | 2446 | - | 2485 | = | -39 | * | (85 | / | 276) | = | -12.01086955 | ||
| 5 | 94177 | 2462 | - | 2528 | = | -66 | * | (93 | / | 276) | = | -22.23913039 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Orchard Elementary | -36 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -60 | -32 | -35 | -35 | -36 | -198.0 | -39.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -6.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.6
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 | 59% | 58% | 54% | 57% | 57% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sylvan Union Elementary school district | County of Stanislaus
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.
Orchard Elementary math proficiency
Zero+ meets standard.
49% less $meal
48% less $meal
43% less $meal
53% less $meal
51% 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.