Vine Elementary (Data source)
Source data for Vine 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 | 1142294 | 2407 | - | 2436 | = | -29 | * | (113 | / | 284) | = | -11.53873237 | ||
| 4 | 1142295 | 2456 | - | 2485 | = | -29 | * | (74 | / | 284) | = | -7.55633802 | ||
| 5 | 1142298 | 2486 | - | 2528 | = | -42 | * | (97 | / | 284) | = | -14.34507039 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vine 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 | 35564 | 2441 | - | 2436 | = | 5 | * | (78 | / | 264) | = | 1.47727273 | ||
| 4 | 35565 | 2455 | - | 2485 | = | -30 | * | (111 | / | 264) | = | -12.61363635 | ||
| 5 | 35567 | 2506 | - | 2528 | = | -22 | * | (75 | / | 264) | = | -6.25 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vine Elementary | -17 | ||||||||||||
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 | 36267 | 2441 | - | 2436 | = | 5 | * | (94 | / | 278) | = | 1.69064748 | ||
| 4 | 36269 | 2474 | - | 2485 | = | -11 | * | (76 | / | 278) | = | -3.00719423 | ||
| 5 | 36272 | 2487 | - | 2528 | = | -41 | * | (108 | / | 278) | = | -15.92805753 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vine Elementary | -17 | ||||||||||||
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 | 36254 | 2407 | - | 2436 | = | -29 | * | (65 | / | 237) | = | -7.95358649 | ||
| 4 | 36256 | 2483 | - | 2485 | = | -2 | * | (94 | / | 237) | = | -0.79324894 | ||
| 5 | 36258 | 2515 | - | 2528 | = | -13 | * | (78 | / | 237) | = | -4.27848101 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vine Elementary | -13 | ||||||||||||
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 | 36420 | 2436 | - | 2436 | = | 0 | * | (79 | / | 232) | = | 0.0 | ||
| 4 | 36421 | 2464 | - | 2485 | = | -21 | * | (62 | / | 232) | = | -5.61206896 | ||
| 5 | 36422 | 2533 | - | 2528 | = | 5 | * | (91 | / | 232) | = | 1.9612069 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vine Elementary | -4 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -33 | -17 | -17 | -13 | -4 | -84.0 | -16.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 13.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -46.8
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 | 64% | 62% | 60% | 60% | 61% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
West Covina 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.
Vine Elementary math proficiency
Zero+ meets standard.
49% less $meal
48% less $meal
48% less $meal
51% less $meal
52% 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.
Elementary School (Public) schools in West Covina Unified (8)
| California Elementary | Cameron Elementary | Merced Elementary |
| Merlinda Elementary | Monte Vista Elementary | Orangewood Elementary |
| Vine Elementary | Wescove Elementary |