Terrace Elementary (Data source)
Source data for Terrace 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 | 1643367 | 2393 | - | 2436 | = | -43 | * | (110 | / | 333) | = | -14.20420419 | ||
| 4 | 1643368 | 2436 | - | 2485 | = | -49 | * | (101 | / | 333) | = | -14.86186185 | ||
| 5 | 1643371 | 2432 | - | 2528 | = | -96 | * | (122 | / | 333) | = | -35.17117114 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Terrace 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 | 51375 | 2407 | - | 2436 | = | -29 | * | (79 | / | 305) | = | -7.5114754 | ||
| 4 | 51377 | 2428 | - | 2485 | = | -57 | * | (114 | / | 305) | = | -21.30491799 | ||
| 5 | 51379 | 2452 | - | 2528 | = | -76 | * | (112 | / | 305) | = | -27.90819666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Terrace Elementary | -57 | ||||||||||||
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 | 52858 | 2408 | - | 2436 | = | -28 | * | (99 | / | 306) | = | -9.05882351 | ||
| 4 | 52860 | 2416 | - | 2485 | = | -69 | * | (92 | / | 306) | = | -20.74509799 | ||
| 5 | 52862 | 2439 | - | 2528 | = | -89 | * | (115 | / | 306) | = | -33.44771238 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Terrace Elementary | -63 | ||||||||||||
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 | 52949 | 2415 | - | 2436 | = | -21 | * | (105 | / | 300) | = | -7.35 | ||
| 4 | 52950 | 2420 | - | 2485 | = | -65 | * | (100 | / | 300) | = | -21.66666665 | ||
| 5 | 52953 | 2434 | - | 2528 | = | -94 | * | (95 | / | 300) | = | -29.7666666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Terrace Elementary | -59 | ||||||||||||
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 | 53179 | 2385 | - | 2436 | = | -51 | * | (117 | / | 333) | = | -17.9189189 | ||
| 4 | 53180 | 2439 | - | 2485 | = | -46 | * | (112 | / | 333) | = | -15.47147146 | ||
| 5 | 53181 | 2445 | - | 2528 | = | -83 | * | (104 | / | 333) | = | -25.9219219 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Terrace Elementary | -59 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -64 | -57 | -63 | -59 | -59 | -302.0 | -60.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -66.4
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 | 92% | 90% | 89% | 88% | 89% |
| 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.
Terrace Elementary math proficiency
Zero+ meets standard.
81% less $meal
77% less $meal
70% 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.