Loma Vista Middle (Data source)
Source data for Loma 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 | 1644167 | 2474 | - | 2552 | = | -78 | * | (338 | / | 1059) | = | -24.89518411 | ||
| 7 | 1644168 | 2501 | - | 2567 | = | -66 | * | (361 | / | 1059) | = | -22.49858351 | ||
| 8 | 1644171 | 2512 | - | 2586 | = | -74 | * | (360 | / | 1059) | = | -25.15580731 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Loma Vista Middle | -73 | ||||||||||||
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 | 51399 | 2474 | - | 2552 | = | -78 | * | (347 | / | 1031) | = | -26.25218232 | ||
| 7 | 51401 | 2496 | - | 2567 | = | -71 | * | (336 | / | 1031) | = | -23.13870028 | ||
| 8 | 51402 | 2538 | - | 2586 | = | -48 | * | (348 | / | 1031) | = | -16.20174586 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Loma Vista Middle | -66 | ||||||||||||
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 | 52881 | 2494 | - | 2552 | = | -58 | * | (313 | / | 1008) | = | -18.00992063 | ||
| 7 | 52884 | 2494 | - | 2567 | = | -73 | * | (348 | / | 1008) | = | -25.20238094 | ||
| 8 | 52886 | 2523 | - | 2586 | = | -63 | * | (347 | / | 1008) | = | -21.68749995 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Loma Vista Middle | -65 | ||||||||||||
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 | 52972 | 2468 | - | 2552 | = | -84 | * | (348 | / | 1027) | = | -28.46348585 | ||
| 7 | 52975 | 2501 | - | 2567 | = | -66 | * | (322 | / | 1027) | = | -20.69328136 | ||
| 8 | 52976 | 2498 | - | 2586 | = | -88 | * | (357 | / | 1027) | = | -30.59006808 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Loma Vista Middle | -80 | ||||||||||||
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 | 53203 | 2470 | - | 2552 | = | -82 | * | (293 | / | 967) | = | -24.84591513 | ||
| 7 | 53204 | 2487 | - | 2567 | = | -80 | * | (347 | / | 967) | = | -28.70734224 | ||
| 8 | 53205 | 2518 | - | 2586 | = | -68 | * | (327 | / | 967) | = | -22.99482934 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Loma Vista Middle | -77 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -73 | -66 | -65 | -80 | -77 | -361.0 | -72.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -90.2
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 | 93% | 88% | 88% | 91% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alvord Unified school district | County of Riverside
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.
Loma Vista Middle math proficiency
Zero+ meets standard.
79% less $meal
71% less $meal
71% less $meal
77% less $meal
73% 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 Alvord Unified (4)
| Arizona Middle | Loma Vista Middle | Wells Middle |
| Ysmael Villegas Middle |