Ira Harbison (Data source)
Source data for Ira Harbison
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 | 2199470 | 2418 | - | 2436 | = | -18 | * | (90 | / | 326) | = | -4.96932514 | ||
| 4 | 2199473 | 2439 | - | 2485 | = | -46 | * | (86 | / | 326) | = | -12.13496928 | ||
| 5 | 2199474 | 2456 | - | 2528 | = | -72 | * | (82 | / | 326) | = | -18.11042942 | ||
| 6 | 2199477 | 2521 | - | 2552 | = | -31 | * | (68 | / | 326) | = | -6.46625767 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ira Harbison | -42 | ||||||||||||
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 | 67555 | 2420 | - | 2436 | = | -16 | * | (87 | / | 347) | = | -4.01152738 | ||
| 4 | 67558 | 2472 | - | 2485 | = | -13 | * | (89 | / | 347) | = | -3.33429394 | ||
| 5 | 67559 | 2466 | - | 2528 | = | -62 | * | (88 | / | 347) | = | -15.72334291 | ||
| 6 | 67562 | 2474 | - | 2552 | = | -78 | * | (83 | / | 347) | = | -18.65706047 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ira Harbison | -42 | ||||||||||||
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 | 69342 | 2424 | - | 2436 | = | -12 | * | (71 | / | 335) | = | -2.54328358 | ||
| 4 | 69345 | 2460 | - | 2485 | = | -25 | * | (82 | / | 335) | = | -6.11940298 | ||
| 5 | 69346 | 2483 | - | 2528 | = | -45 | * | (98 | / | 335) | = | -13.16417909 | ||
| 6 | 69349 | 2506 | - | 2552 | = | -46 | * | (84 | / | 335) | = | -11.53432833 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ira Harbison | -33 | ||||||||||||
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 | 69505 | 2416 | - | 2436 | = | -20 | * | (71 | / | 324) | = | -4.38271604 | ||
| 4 | 69507 | 2466 | - | 2485 | = | -19 | * | (72 | / | 324) | = | -4.22222222 | ||
| 5 | 69509 | 2472 | - | 2528 | = | -56 | * | (88 | / | 324) | = | -15.20987653 | ||
| 6 | 69511 | 2525 | - | 2552 | = | -27 | * | (93 | / | 324) | = | -7.75 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ira Harbison | -32 | ||||||||||||
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 | 70028 | 2398 | - | 2436 | = | -38 | * | (70 | / | 304) | = | -8.74999997 | ||
| 4 | 70029 | 2441 | - | 2485 | = | -44 | * | (72 | / | 304) | = | -10.42105262 | ||
| 5 | 70030 | 2463 | - | 2528 | = | -65 | * | (75 | / | 304) | = | -16.03618419 | ||
| 6 | 70031 | 2485 | - | 2552 | = | -67 | * | (87 | / | 304) | = | -19.17434207 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ira Harbison | -54 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -42 | -42 | -33 | -32 | -54 | -203.0 | -40.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -16.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -64.6
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 | 57% | 60% | 65% | 71% | 64% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
National Elementary 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.
Ira Harbison math proficiency
Zero+ meets standard.
44% less $meal
49% less $meal
51% less $meal
61% less $meal
54% 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.
Elementary School (Public) schools in National Elementary (10)
| Central Elementary | El Toyon Elementary | Ira Harbison |
| John A. Otis Elementary | Kimball | Las Palmas |
| Lincoln Acres | Olivewood | Palmer Way |
| Rancho de la Nacion |