North Terrace Elementary (Data source)
Source data for North 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 | 2330899 | 2414 | - | 2436 | = | -22 | * | (67 | / | 349) | = | -4.22349569 | ||
| 4 | 2330902 | 2465 | - | 2485 | = | -20 | * | (76 | / | 349) | = | -4.35530084 | ||
| 5 | 2330903 | 2524 | - | 2528 | = | -4 | * | (63 | / | 349) | = | -0.72206304 | ||
| 6 | 2330906 | 2472 | - | 2552 | = | -80 | * | (61 | / | 349) | = | -13.982808 | ||
| 7 | 2330907 | 2550 | - | 2567 | = | -17 | * | (49 | / | 349) | = | -2.38681948 | ||
| 8 | 2330910 | 2578 | - | 2586 | = | -8 | * | (33 | / | 349) | = | -0.75644698 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for North Terrace Elementary | -26 | ||||||||||||
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 | 71271 | 2432 | - | 2436 | = | -4 | * | (99 | / | 390) | = | -1.01538461 | ||
| 4 | 71273 | 2472 | - | 2485 | = | -13 | * | (68 | / | 390) | = | -2.26666666 | ||
| 5 | 71275 | 2526 | - | 2528 | = | -2 | * | (69 | / | 390) | = | -0.35384615 | ||
| 6 | 71278 | 2513 | - | 2552 | = | -39 | * | (57 | / | 390) | = | -5.69999999 | ||
| 7 | 71279 | 2545 | - | 2567 | = | -22 | * | (59 | / | 390) | = | -3.32820512 | ||
| 8 | 71281 | 2588 | - | 2586 | = | 2 | * | (38 | / | 390) | = | 0.19487179 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for North Terrace Elementary | -12 | ||||||||||||
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 | 73146 | 2441 | - | 2436 | = | 5 | * | (74 | / | 397) | = | 0.93198992 | ||
| 4 | 73149 | 2462 | - | 2485 | = | -23 | * | (92 | / | 397) | = | -5.32997481 | ||
| 5 | 73150 | 2530 | - | 2528 | = | 2 | * | (69 | / | 397) | = | 0.34760705 | ||
| 6 | 73152 | 2536 | - | 2552 | = | -16 | * | (72 | / | 397) | = | -2.90176322 | ||
| 7 | 73155 | 2575 | - | 2567 | = | 8 | * | (42 | / | 397) | = | 0.8463476 | ||
| 8 | 73156 | 2594 | - | 2586 | = | 8 | * | (48 | / | 397) | = | 0.96725441 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for North Terrace Elementary | -5 | ||||||||||||
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 | 73284 | 2448 | - | 2436 | = | 12 | * | (111 | / | 433) | = | 3.07621247 | ||
| 4 | 73286 | 2469 | - | 2485 | = | -16 | * | (69 | / | 433) | = | -2.54965357 | ||
| 5 | 73288 | 2521 | - | 2528 | = | -7 | * | (87 | / | 433) | = | -1.40646651 | ||
| 6 | 73290 | 2541 | - | 2552 | = | -11 | * | (67 | / | 433) | = | -1.70207852 | ||
| 7 | 73292 | 2543 | - | 2567 | = | -24 | * | (62 | / | 433) | = | -3.43648958 | ||
| 8 | 73294 | 2591 | - | 2586 | = | 5 | * | (37 | / | 433) | = | 0.42725173 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for North Terrace Elementary | -6 | ||||||||||||
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 | 73746 | 2439 | - | 2436 | = | 3 | * | (112 | / | 481) | = | 0.6985447 | ||
| 4 | 73747 | 2490 | - | 2485 | = | 5 | * | (104 | / | 481) | = | 1.08108108 | ||
| 5 | 73748 | 2528 | - | 2528 | = | 0 | * | (72 | / | 481) | = | 0.0 | ||
| 6 | 73749 | 2551 | - | 2552 | = | -1 | * | (88 | / | 481) | = | -0.18295218 | ||
| 7 | 73750 | 2581 | - | 2567 | = | 14 | * | (54 | / | 481) | = | 1.57172557 | ||
| 8 | 73751 | 2589 | - | 2586 | = | 3 | * | (51 | / | 481) | = | 0.31808732 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for North Terrace Elementary | 3 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -26 | -12 | -5 | -6 | 3 | -46.0 | -9.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 20.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -39.2
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 | 54% | 49% | 46% | 45% | 44% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oceanside Unified school district | County of San Diego
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.
North Terrace Elementary math proficiency
Zero+ meets standard.
30% less $meal
23% less $meal
19% less $meal
19% less $meal
20% 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.