Twinhill Elementary (Data source)
Source data for Twinhill 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 | 1643620 | 2369 | - | 2436 | = | -67 | * | (101 | / | 278) | = | -24.34172658 | ||
| 4 | 1643623 | 2441 | - | 2485 | = | -44 | * | (90 | / | 278) | = | -14.24460431 | ||
| 5 | 1643624 | 2447 | - | 2528 | = | -81 | * | (87 | / | 278) | = | -25.34892084 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Twinhill Elementary | -64 | ||||||||||||
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 | 51383 | 2378 | - | 2436 | = | -58 | * | (98 | / | 285) | = | -19.94385964 | ||
| 4 | 51385 | 2445 | - | 2485 | = | -40 | * | (101 | / | 285) | = | -14.17543856 | ||
| 5 | 51386 | 2457 | - | 2528 | = | -71 | * | (86 | / | 285) | = | -21.42456134 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Twinhill Elementary | -56 | ||||||||||||
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 | 52865 | 2380 | - | 2436 | = | -56 | * | (83 | / | 278) | = | -16.71942446 | ||
| 4 | 52867 | 2455 | - | 2485 | = | -30 | * | (93 | / | 278) | = | -10.03597122 | ||
| 5 | 52870 | 2451 | - | 2528 | = | -77 | * | (102 | / | 278) | = | -28.2517985 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Twinhill Elementary | -55 | ||||||||||||
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 | 52956 | 2375 | - | 2436 | = | -61 | * | (85 | / | 257) | = | -20.17509724 | ||
| 4 | 52959 | 2467 | - | 2485 | = | -18 | * | (79 | / | 257) | = | -5.53307393 | ||
| 5 | 52960 | 2452 | - | 2528 | = | -76 | * | (93 | / | 257) | = | -27.5019455 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Twinhill Elementary | -53 | ||||||||||||
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 | 53187 | 2395 | - | 2436 | = | -41 | * | (69 | / | 227) | = | -12.46255504 | ||
| 4 | 53188 | 2449 | - | 2485 | = | -36 | * | (83 | / | 227) | = | -13.16299558 | ||
| 5 | 53189 | 2475 | - | 2528 | = | -53 | * | (75 | / | 227) | = | -17.51101318 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Twinhill Elementary | -43 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -64 | -56 | -55 | -53 | -43 | -271.0 | -54.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -33.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -75.2
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 | 96% | 93% | 90% | 91% | 85% |
| 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.
Twinhill Elementary math proficiency
Zero+ meets standard.
84% less $meal
80% less $meal
75% less $meal
80% 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.