Traweek Middle (Data source)
Source data for Traweek 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 | 668678 | 2487 | - | 2552 | = | -65 | * | (294 | / | 850) | = | -22.48235288 | ||
| 7 | 668681 | 2504 | - | 2567 | = | -63 | * | (282 | / | 850) | = | -20.90117642 | ||
| 8 | 668682 | 2520 | - | 2586 | = | -66 | * | (274 | / | 850) | = | -21.27529411 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Traweek Middle | -65 | ||||||||||||
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 | 21205 | 2507 | - | 2552 | = | -45 | * | (300 | / | 879) | = | -15.35836176 | ||
| 7 | 21208 | 2496 | - | 2567 | = | -71 | * | (297 | / | 879) | = | -23.98976109 | ||
| 8 | 21210 | 2517 | - | 2586 | = | -69 | * | (282 | / | 879) | = | -22.13651873 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Traweek Middle | -61 | ||||||||||||
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 | 21574 | 2516 | - | 2552 | = | -36 | * | (269 | / | 872) | = | -11.10550457 | ||
| 7 | 21575 | 2510 | - | 2567 | = | -57 | * | (305 | / | 872) | = | -19.93692659 | ||
| 8 | 21578 | 2520 | - | 2586 | = | -66 | * | (298 | / | 872) | = | -22.55504585 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Traweek Middle | -54 | ||||||||||||
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 | 21553 | 2502 | - | 2552 | = | -50 | * | (258 | / | 831) | = | -15.5234657 | ||
| 7 | 21555 | 2522 | - | 2567 | = | -45 | * | (270 | / | 831) | = | -14.62093862 | ||
| 8 | 21557 | 2508 | - | 2586 | = | -78 | * | (303 | / | 831) | = | -28.44043316 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Traweek Middle | -59 | ||||||||||||
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 | 21726 | 2499 | - | 2552 | = | -53 | * | (261 | / | 790) | = | -17.51012654 | ||
| 7 | 21727 | 2495 | - | 2567 | = | -72 | * | (253 | / | 790) | = | -23.05822781 | ||
| 8 | 21728 | 2527 | - | 2586 | = | -59 | * | (276 | / | 790) | = | -20.61265819 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Traweek Middle | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -65 | -61 | -54 | -59 | -61 | -300.0 | -60.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -48.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.0
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 | 75% | 75% | 72% | 71% | 71% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Covina-Valley Unified school district | County of Los Angeles
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.
Traweek Middle math proficiency
Zero+ meets standard.
60% less $meal
57% less $meal
55% less $meal
57% less $meal
57% 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 Covina-Valley Unified (3)
| Las Palmas Middle | Sierra Vista Middle | Traweek Middle |