New Vista Middle (Data source)
Source data for New Vista 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 | 745324 | 2435 | - | 2552 | = | -117 | * | (221 | / | 859) | = | -30.10128053 | ||
| 7 | 745325 | 2441 | - | 2567 | = | -126 | * | (281 | / | 859) | = | -41.21769494 | ||
| 8 | 745328 | 2468 | - | 2586 | = | -118 | * | (357 | / | 859) | = | -49.04074501 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for New Vista Middle | -120 | ||||||||||||
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 | 23448 | 2417 | - | 2552 | = | -135 | * | (311 | / | 914) | = | -45.93544857 | ||
| 7 | 23450 | 2450 | - | 2567 | = | -117 | * | (297 | / | 914) | = | -38.01859952 | ||
| 8 | 23453 | 2454 | - | 2586 | = | -132 | * | (306 | / | 914) | = | -44.1925601 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for New Vista Middle | -128 | ||||||||||||
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 | 23899 | 2425 | - | 2552 | = | -127 | * | (293 | / | 903) | = | -41.20819483 | ||
| 7 | 23902 | 2426 | - | 2567 | = | -141 | * | (307 | / | 903) | = | -47.93687699 | ||
| 8 | 23904 | 2458 | - | 2586 | = | -128 | * | (303 | / | 903) | = | -42.95016602 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for New Vista Middle | -132 | ||||||||||||
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 | 23921 | 2421 | - | 2552 | = | -131 | * | (316 | / | 930) | = | -44.51182793 | ||
| 7 | 23922 | 2421 | - | 2567 | = | -146 | * | (310 | / | 930) | = | -48.66666662 | ||
| 8 | 23925 | 2439 | - | 2586 | = | -147 | * | (304 | / | 930) | = | -48.05161284 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for New Vista Middle | -141 | ||||||||||||
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 | 24096 | 2440 | - | 2552 | = | -112 | * | (274 | / | 910) | = | -33.72307691 | ||
| 7 | 24097 | 2440 | - | 2567 | = | -127 | * | (331 | / | 910) | = | -46.1945054 | ||
| 8 | 24098 | 2448 | - | 2586 | = | -138 | * | (305 | / | 910) | = | -46.25274723 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for New Vista Middle | -126 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -120 | -128 | -132 | -141 | -126 | -647.0 | -129.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -108.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -150.4
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 | 83% | 86% | 88% | 91% | 96% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lancaster Elementary 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.
New Vista Middle math proficiency
Zero+ meets standard.
75% less $meal
83% less $meal
80% less $meal
86% less $meal
82% 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 Lancaster Elementary (5)
| Amargosa Creek Middle | Endeavour Middle | Fulton and Alsbury Academy of Arts and Engineering |
| New Vista Middle | Piute Middle |