Township Elementary (Data source)
Source data for Township 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 | 3140234 | 2415 | - | 2436 | = | -21 | * | (83 | / | 283) | = | -6.1590106 | ||
| 4 | 3140235 | 2462 | - | 2485 | = | -23 | * | (79 | / | 283) | = | -6.42049469 | ||
| 5 | 3140237 | 2478 | - | 2528 | = | -50 | * | (75 | / | 283) | = | -13.25088335 | ||
| 6 | 3140239 | 2510 | - | 2552 | = | -42 | * | (46 | / | 283) | = | -6.8268551 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Township Elementary | -33 | ||||||||||||
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 | 96814 | 2392 | - | 2436 | = | -44 | * | (98 | / | 325) | = | -13.26769228 | ||
| 4 | 96816 | 2457 | - | 2485 | = | -28 | * | (85 | / | 325) | = | -7.32307691 | ||
| 5 | 96818 | 2477 | - | 2528 | = | -51 | * | (88 | / | 325) | = | -13.80923073 | ||
| 6 | 96820 | 2500 | - | 2552 | = | -52 | * | (54 | / | 325) | = | -8.63999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Township Elementary | -43 | ||||||||||||
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 | 99613 | 2408 | - | 2436 | = | -28 | * | (70 | / | 331) | = | -5.92145014 | ||
| 4 | 99615 | 2452 | - | 2485 | = | -33 | * | (104 | / | 331) | = | -10.36858004 | ||
| 5 | 99618 | 2477 | - | 2528 | = | -51 | * | (84 | / | 331) | = | -12.94259819 | ||
| 6 | 99620 | 2522 | - | 2552 | = | -30 | * | (73 | / | 331) | = | -6.61631418 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Township Elementary | -36 | ||||||||||||
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 | 99773 | 2442 | - | 2436 | = | 6 | * | (81 | / | 299) | = | 1.62541806 | ||
| 4 | 99774 | 2458 | - | 2485 | = | -27 | * | (66 | / | 299) | = | -5.9598662 | ||
| 5 | 99777 | 2462 | - | 2528 | = | -66 | * | (98 | / | 299) | = | -21.632107 | ||
| 6 | 99778 | 2524 | - | 2552 | = | -28 | * | (54 | / | 299) | = | -5.05685617 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Township Elementary | -31 | ||||||||||||
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 | 100438 | 2440 | - | 2436 | = | 4 | * | (67 | / | 272) | = | 0.98529412 | ||
| 4 | 100439 | 2484 | - | 2485 | = | -1 | * | (82 | / | 272) | = | -0.30147059 | ||
| 5 | 100440 | 2465 | - | 2528 | = | -63 | * | (70 | / | 272) | = | -16.21323528 | ||
| 6 | 100441 | 2488 | - | 2552 | = | -64 | * | (53 | / | 272) | = | -12.47058822 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Township Elementary | -28 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -33 | -43 | -36 | -31 | -28 | -171.0 | -34.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -19.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -49.2
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 | 23% | 26% | 24% | 28% | 30% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Simi Valley Unified school district County of Ventura
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Township Elementary math proficiency
Zero+ meets standard.
18% less $meal
21% less $meal
19% less $meal
25% less $meal
25% 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.