Oasis Elementary (Data source)
Source data for Oasis 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 | 1755858 | 2347 | - | 2436 | = | -89 | * | (104 | / | 412) | = | -22.46601938 | ||
| 4 | 1755860 | 2385 | - | 2485 | = | -100 | * | (107 | / | 412) | = | -25.9708737 | ||
| 5 | 1755861 | 2401 | - | 2528 | = | -127 | * | (100 | / | 412) | = | -30.82524264 | ||
| 6 | 1755864 | 2464 | - | 2552 | = | -88 | * | (101 | / | 412) | = | -21.57281553 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Oasis Elementary | -101 | ||||||||||||
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 | 54561 | 2369 | - | 2436 | = | -67 | * | (114 | / | 423) | = | -18.05673758 | ||
| 4 | 54563 | 2381 | - | 2485 | = | -104 | * | (106 | / | 423) | = | -26.06146566 | ||
| 5 | 54564 | 2392 | - | 2528 | = | -136 | * | (108 | / | 423) | = | -34.72340413 | ||
| 6 | 54567 | 2466 | - | 2552 | = | -86 | * | (95 | / | 423) | = | -19.31442077 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Oasis Elementary | -98 | ||||||||||||
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 | 56152 | 2368 | - | 2436 | = | -68 | * | (102 | / | 433) | = | -16.01847569 | ||
| 4 | 56154 | 2414 | - | 2485 | = | -71 | * | (115 | / | 433) | = | -18.85681289 | ||
| 5 | 56156 | 2399 | - | 2528 | = | -129 | * | (108 | / | 433) | = | -32.17551953 | ||
| 6 | 56158 | 2455 | - | 2552 | = | -97 | * | (108 | / | 433) | = | -24.1939953 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Oasis Elementary | -91 | ||||||||||||
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 | 56251 | 2370 | - | 2436 | = | -66 | * | (98 | / | 423) | = | -15.29078008 | ||
| 4 | 56252 | 2385 | - | 2485 | = | -100 | * | (99 | / | 423) | = | -23.4042553 | ||
| 5 | 56255 | 2440 | - | 2528 | = | -88 | * | (119 | / | 423) | = | -24.75650118 | ||
| 6 | 56256 | 2482 | - | 2552 | = | -70 | * | (107 | / | 423) | = | -17.70685574 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Oasis Elementary | -81 | ||||||||||||
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 | 56510 | 2400 | - | 2436 | = | -36 | * | (90 | / | 396) | = | -8.18181817 | ||
| 4 | 56511 | 2400 | - | 2485 | = | -85 | * | (96 | / | 396) | = | -20.60606057 | ||
| 5 | 56512 | 2425 | - | 2528 | = | -103 | * | (94 | / | 396) | = | -24.44949491 | ||
| 6 | 56513 | 2507 | - | 2552 | = | -45 | * | (116 | / | 396) | = | -13.18181814 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Oasis Elementary | -66 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -101 | -98 | -91 | -81 | -66 | -437.0 | -87.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -45.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -129.4
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 | 99% | 98% | 99% | 96% | 98% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Coachella Valley 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.
Oasis Elementary math proficiency
Zero+ meets standard.
96% less $meal
95% less $meal
96% less $meal
94% less $meal
96% 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.